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Titleist ZM Iron Review
At last the weather appears to have decided that never ending rain is a story which has already been told, see the tale of Noah for full details.
I thought after the end of the midwestern monsoon season I'd at last have a chance to discover the ball striking abilities of these clubs instead of just gazing at them longingly. Remember eighth grade and the really attractive girl on the other side of the room, how you wondered several times a day what it would be like to actually talk to her? Well maybe it's not that romantic with you, but hey, I like the look of these new clubs. What follows is my first couple of dates with the new Titleist ZM forged iron.
Technology
What the Titleist website says is that the Z-M forged irons are high performance muscle back forged irons with traditional feel, superior looks and shot control for the highly skilled player. The Z muscle is designed to precisely locate the center of gravity in the center of the face by moving weight from the heel to the head. The traditional profile included minimal offset for Tour validated ball flight, trajectory control and workablity. The narrow sole reduces skipping in firm conditions while appropriate bounce prevents digging. The long irons have a shorter hosel to move weight lower for improved launch and longer hosel in the mid and shorter clubs for trajectory control.
That's a lot of marketing school verbiage meant to dazzle and confuse by repeating the word forged twice in one sentence, the word traditional twice, and adding the concept of validation of the ball flight by the Tour. I was never aware that ball flight needed validation, but it appears I'm wrong again. Let's just say this a traditional looking blade iron save for the Z in the back which makes the sweet spot centrally located rather that the heel side location usually found in blades.
Also included is Titleist's plastic dowel inserted into the end of the shaft as a vibration dampening measure. Something they've done since the 690 series I've been told. Although in the early models they used wooden dowels like master club maker Joe Kwok, they switched to plastic due to manufacturing consistency issues.
Appearance
No matter how you look at these irons, they appear as traditional (that word again, but oh well it works) as any blade I've every played. Very compact head, very little offset thus enabling a point and shoot alignment, thin topline. All the attributes of a club whose appearance states swing me and the ball will respond to your desires. Until you look at the back of the club. There you see what resembles the letter Z drawn by someone who sneezed in the middle of the drawing thus exaggerating the top of the Z while minimizing the bottom of the Z. The effect, to my eye is quite stunning and seems to have progressed to this point from earlier models. l switched from Hogan Apex blades last season to a cavity back forged iron thinking I needed the forgiveness, but after hitting these I realize that nothing suits my eye better than the sight of a compact blade set up behind the ball. As Titleist says, these are serious clubs which need no words to make the point. Just one look and the truth of that statement is obvious.
Performance
After three shots on the range I knew I wanted these clubs! Eighty five balls later that desire had not changed. There is something about hitting a forged iron that sings joyfully to the hands, up the arms, throughout the rest of the body into the ears and on to the brain. The resulting sensations leave the player smiling the smile of the truly satisfied. Make no mistake about it, these are clubs for someone with a reasonably consistent swing. If you possess a swing that does not repeat itself more times than not the only thing these irons will do for you is to reduce your vocabulary to that of an episode of Deadwood.
I am a pretty good stick on the range, hitting a series of small draws, straight shots, slight fades, and big rope hooks. These make all of that possible. What I found most interesting is that I had to be more aware of my clubhead alignment than with any club I've played before or I'd not hit the ball straight, instead hitting a slight fade. You should know that I don't hit a fade. Ever. Not with an iron. But with the Z-M I could take a slight fade with me to the course. I've only been to the course twice, so I don't quite understand this new shot shape available to me, but the fact it exists opens a whole new world of possibilities. I have to attribute this improved opportunity to produce all the shot shapes to the design of the Z-M. Moving the center of gravity to the center of the face significantly improves the playability of these clubs.
I also feel like the sweet spot has expanded to cover more of the face. Evidence of this comes from the response of toe hits, which with my old Hogan's lost major distance and direction. My experience with the Z-M is a loss of 10 to 15 yards in distance, or just enough to dump the ball into the bunker, and very little directional loss. Major improvement in my book, hence these are more forgiving than the reputation of old blades. The vibration dampening effect of the insert in the shaft is noticeable and appreciated most on thin hits in 50* weather. Still get the bees in the hands, but only a small hive. I don't believe the plastic works as well as the wooden dowel in my iron set, but it is still effective.
As for distance, it seems I've regained most of the yardage I lost over the last couple of years. Whether this is due to the clubs or my increased off season training program I don't know. Likely a combination of the two. On the course I still haven't adjusted to the ball flight, which is higher than my normal flight. I've only gotten on the course twice so far this year so my playing swing is still iffy at best, and distance control is something I appear to leave in my trunk when removing the clubs. Given time, and more rounds, I have no doubt that these will continue to impress me with their solid performance.
Conclusion
I believe Titleist has a winner with this club. The technology has produced an improvement in performance that is measurable even if it's not visibly apparent. I can't put into words how delighted I am to finally hit a reasonably controllable left to right shot. I have to say these irons have done something I didn't think possible, they make the game more fun! The Z-M is an attractive club, which gets more with repeated exposure, with improved playability. I can think of nothing better in a set of irons.
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5 Things we Learned Saturday at the U.S. Women’s Open
Despite Colin Jost being so over the expression That was not on my bingo card, so much of what happened on Saturday at Riviera was precisely defined by that 2026 catch-phrase. Seasoned professionals faltered while young amateurs soared. Leaders posted par rounds while afterthoughts amassed birdie after day-three birdie. What transpired set up the potential for the best duels in USWO history. In the mixing bowl are the world’s number one, former champions, former contenders, and a host of the game’s top names.
Over the first three days, Riviera has played more like a golden-age gem than it ever has in modern times. Players are using greenside slopes and fairway cambres to propel the ball into proper position. Green speeds are manageable, yet daunting from the absolute worst place (read: above) in relation to the hole location. Nothing is unfair (fingers crossed for the same in two weeks on Long Island) and everything is earned.
Could it be Nelly, or Charley, or Sei Young or In-gee? How about Gaby or Jennifer, Nasa or Ruoning? All have contended before in the U.S. Women’s Open, but only In-gee Chun has raised the Semple trophy in triumph. A Hollywood sound stage is set for a dramatic finish, but prior to the conclusion, let’s revisit the five things that we learned on Saturday at the U.S. Women’s Open.
Saturday Thing One: Nelly Korda is tied at the top
If it were anyone else, after consecutive rounds of 67, the dam would break. That’s not the case with Korda. If anything, we expect that she might go lower on Sunday, to the tune of 65, and walk off with her first U.S. Women’s Open title.
We know that ruling bodies and host clubs adore name champions. They salute all victors, but the success of a current top golfer, a media darling, or a proven veteran serves to legitimate and venerate the event and the venue. The USGA and Riviera would be thrilled to have Nelly Korda as a champion.
What will propel the three-time major titleist to a fourth grand slam victory? Another 67, for starters. Reaching double-digits under par would place the Floridian in a marvelous space. It would require Sei Young to keep pace, and would demand that all the trailers post 66 or better.
Saturday Thing Two: How about those amateurs?
1 2 3 5 6 10 13 16 17 18
Those are the holes that Maria Jose Marin (68), Aphrodite Deng (68), and Asterisk Talley (66) birdied on Saturday. That’s a minus-ten ringer score for the trio. As we sleep one more sleep before the final round, consider that Marin and Deng are four strokes back of the leaders, while Talley is five shots behind. To have three amateur golfers within striking distance of the top ladder rung is heady stuff. Can Talley possibly follow up her minus-five with another one on Sunday? Even that might not be enough. How about Marin and Deng. Can they drop a mid-60s scorecard on the professionals, and throw a scare into them? Our intuition suggests no on both counts, but the potential for a top-five amateur finish is certainly in the cards.
Saturday Thing Three: the Korean Kontingent
Sei Young Kim and In-gee Chun would win any partner event this week, given their current form. Kim will tee off with Nelly Korda in the last game, and she will have a front-row seat to Chun’s performance, as In-gee will play in the game just ahead. Of the two, Sei Young appeared to have less control over her shots, as a substantial number of spproach shots turned inordinately left.. Time and again, her short game bailed her out of the bogeytown prison, although she did miss a fair number of short putts. Dumbo (aka Chun) seemed more in control from tee to green, but will need to channel her early-2020s self to insert herself into the narrative.
Saturday Thing Four: Kupcho’s Komeback
It’s not like she went very far away, but Jennifer Kupcho’s 69 on day three had to be gratifying. The Colorado native and Wake Forest alumna was in fine Friday position to make a statement and expand her lead. She had posted 66 on Thursday, but fell off form on day two with 73. There were 67s and 68s at Riviera that day, but Kupcho’s birdie production fell from seven to two, as her bogey line increased from two to four. She reduced the bogey output on Saturday, and redoubled birdies to four. She finds herself precisely one shot off the lead, in a tie with In-gee Chun, her Sunday walkabout mate.
What will Kupcho need on day four, to provide an opportunity for victory? Fairways and greens always help, but that electric, day-one start of birdies on holes one, two, and three will be massive. Stay on the proper side of the green-center bunker on six, and survive the dautning holes. Kupcho has made bogey on 13 and 15 twice in three days. Should she come to the final stretch in a place of power or hope, those two holes will test her worth and mettle. Kupcho has also played the closing triumvirate of holes in par or better, each of the three days. That sort of clutch-time performance will stand her well on day four.
Saturday Thing Five: How will it all transpire?
No one expects that both of the top two will struggle on Sunday. One of them will shoot 68, to reach nine-under par. That means that the trailers will have to light up the western sky with fireworks, to keep pace. There is a golfer with nine, top-ten finishes in major championships, who has never won a major. That golfer is Nasa Hataoka, and she is poised to break through and make a victory out of her tenth, top ten finish at a major. Hataoka finished T2 and T4 in this event in, respectively, 2021 and 2023. A missed cut in 2025 was a shock to the system, but the Japanese golfer will bounce back in style and claim the title.
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5 Things we Learned: Friday at the U.S. Women’s Open
Dumbo flies again! There is certainly a half-generation of golf fans without the slightest idea of how well In-gee Chun, aka Dumbo, can golf her ball. The Korean was the It Girl from 2015 to 2018. She won three LPGA events, with two being major championships. She returned to Korea to cure her homesickness, but made the occasional foray back to the Americas. In 2022, she captured a fourth LPGA title and, guess what? It was a third, unique major title.
The halfway cut line was set at four over par. Those at plus-five and beyond had their stay in Tinseltown cut short, at least when it comes to working rounds of golf. Among the 87 who fell on the high side of the cut line, Lydia Ko stood out as the biggest name. Others given a two-day furlough were Lilia Vu, Megha Ganne, Chizzy Iwai, and Leona Maguire. Making the cut on the number are Lottie Woad, Celine Boutier, Mao Saigo, and amateur Asterisk Talley. If you follow world football, imagine the feeling of relegation on a weekly basis. That’s the 36-hole cut in professional golf.
We learned five things on Friday at Riviera Country Club, and we’d love to share them with you. Find a comfy place and brighten the screen on your device. It’s time for Five Things We Learned on day two at the US Women’s Open.
Part One: the biggest movers
A golfer’s feel appears or slips away overnight. Although Saturday is known collectively as Moving Day, it doesn’t come with as sudden and final a feeling as Friday. Move the wrong way on Friday and you’re down the road. Improve in the proper direction and you save your week. Both Mao Saigo and Rio Takeda opened with plus-five rounds of 76, then signed for 70 on day two, and made the cut on the number.
Moving the other way were Stephanie Kyriacou (70-78) and Ina Yoon (68-79). Their respective eight- and eleven-shot declines propelled them from title contention to tournament departure. Minjee Lee and Minji Kang (seven shots higher) along with Rose Zhang (five shots) made the cut, but saw their opportunity for victory take a serious body shot.
Part Two: the leaders
Allison Lee and Ruoning Yin took the conservative path to the 36-hole medal. Lee posted four birdies and a bogey for a total of 68 on day two. Yin had two birdies and sixteen pars for her second consecutive card of 69. Their 138 places them one shot clear of the aforementioned Dumbo Chun, who followed an opening 71 with 68. First-round leader Jennifer Kupcho added seven shots to her total, from an opening-day 66 to a follow-up 73, yet remained within the inner circle of leaders at -3, tied with Chun and four others. Four more golfers sit at minus-two, two shots behind the top duo. An even dozen of golfers sits within two shots of the lead.
The day’s biggest move of gravitas came from Nelly Korda. After a disappointing 73 on Thursday, the world number one improved six shots, thanks to a five-birdie round of 67. Korda slid inside the top ten with her recovery, and certainly reclaimed her place as most frightening chaser at Riviera. No one is likely to shoot in the low 60s at Riviera, but Korda just might post a mid-sixties score on Saturday, to seize the lead on Sunday morning.
Part Three: Ams verse Champs
Five current amateur golfers were among the 68 golfers to reach the weekend. Kiara Romero posted the best non-pro score on Friday, a one-under 70, to move from plus-two to plus-one figures. She is joined there by Aphrodite Deng, who reversed those numbers for her two rounds. Maria Jose Marin (143), Farah O’Keefe (145), and Asteriks Talley (146) joined the #WeDidIt brigade to earn a spot for the final two rounds.
Six former US Open champions, led by In-gee Chun(2015), also punched a ticket for round three. Allison Corpuz (2023), Maja Stark (2025), Ariya Jutanugarn (2018), A Lim Kim (2020), and Minjee Lee (2022) preserved their dream of a second US Open trophy for the mantle. Nineteen amateurs failed to earn a post for the final 36-holes, while five former champions joined them on the sidelines. Yuka Saso, twice a winner in this event in the past half-decade, missed the cut by five shots. 24 amateurs against eleven former titleists suggests that it is easier for the young to qualify, but harder for them to find success.
Part Four: the golf course
Scoring went up by .6 shots per player, from round one to round two. Statistically speaking, it became harder to make the cut as the day wore on. Birdies dropped by 50, while pars remained constant. Both bogeys and doubles increased markedly. The first and the sixth holes played under par on the front nine, while the second and ninth were nearly tied for most difficult traces on the road to the turn.
Coming home, holes ten, twelve, fifteen, and eighteen played as an impregnable quadrilateral. Odds are, you gave a shot back on each of them. Despite number seventeen’s accessibility for birdie, no one got out of the back nine alive. If conditions continue toward the extreme, Riviera will extract a pound of flesh from the contenders over the weekend.
Part Five: what to expect
From my vantage point, the tee times to watch are the 4:55 EST and the 5:05 slots. Nelly Korda pegs her ball in the sixth-last pairing with Sora Kamiya. The little-known Kamiya will get an up close and personal look at the crowds that follow the best in the world. Korda will need to ignore Kamiya’s expected struggles and golf her own ball. Ten minutes later, Lauren Coughlin begins play with Casandra Alexander at her side. It’s a similar situation, with the experienced Coughlin alongside an unseasoned partner.
Both Sei Yong Kim and Gaby Lopez have turned in strong performances, and their 5:15 pairing might produce some explosive numbers. From back in the pack, the tasty duo of Brooke Henderson and Jeeno Thitikul at 4:20, might see double digits in birdies. The unexpected at unknown Riviera is likely, so your guess is as good as mine.
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5 Things we Learned: Thursday at the U.S.. Women’s Open
Gone are the days when the U.S. Women’s Open was held at Scenic Hills or Churchill Valley. Fine courses that they are (or were, as Churchill Valley went bankrupt a decade ago) there is something to be said for the venue. Not all Women’s Open playings need to take place on Men’s Open venues, but some should. This week in Los Angeles, the Women’s Open visits Riviera Country Club for the first time. Down the road, we will visit Inverness, Oakmont, Interlachen, Oak Hill, Chicago Golf, and Merion. That is quite the murderer’s row (1927 Yankees reference) of golf clubs.
What can we expect from the 2026 tournament? Greatness and uncertainty. Unlike the PGA Tour, which visits Riviera each February, the LPGA does not, so the women will not have nearly the body of work over the George C. Thomas layout. Maybe that’s a good thing. Maybe they’ll play #10 smarter than the men do. Maybe they’ll figure some things out that their male counterparts can not. For today, we’ll try to find five things to learn, and share them with you.
First, this ain’t your momma’s U.S. Open course
How do we know? Well, so far, only one previous champion currently sits inside the top thirty. That would be Minjee Lee, the 2022 winner at Southern (NC) Pines. Lee made par on her first nine holes, the inward side at Riviera. She dropped birdie putts on the first and ninth holes (ten and eighteen for her day) and tallied another seven pars, for 69. She sits three shots off Jennifer Kupcho’s opening 66. Don’t worry about Kupcho; we’ll get to her. After Lee, defending champion Maja Stark ranks T30 at even par, joined by three other, former winners.
What Minjee did, is the sort of thing that wins U.S. Open titles. She guided her ship safely past swells, and made a move when the waters calmed. The fewer the bogeys, the more likely Minjee figures in the outcome on Sunday evening in Pacific Palisades. Off the tee, Lee was unmatched. She hit 14 of 14 fairways. Her iron play was a bit loose in comparison. She putted for birdie on 12 of 18 holes, which meant that her recovery short game was on point. Lee was ten yards longer on measured driving holes than the field average, and was below the field average (a good thing) in putting.
Second, the amateurs beat a loud drum
Three of the world’s top amateur golfer posted 70, placing them four off the lead, in a tie for 14th place. Canada’s Aphrodite Deng, Spain’s Paula Francisco Llaño, and Colombia’s Maria José Marin, showed the professional world that their game is strong. Both Deng and Francisco Llaño collected five birdies on the day. Should they match that output on day two, and minimize the foozles, they’ll be the topic of conversation on Saturday morning. Marin, the 2026 Augusta National Women’s Amateur champion and an NCAA team semifinalist last week, played a game similar to Minjee Lee: few mistakes and few taken risks.
The last amateur to post the low medal score for 72 holes was Jenny Chuasiriporn in 1998. She lost a playoff to Se Ri Pak, who matched her plus-six effort at Blackwolf Run. The last amateur to win the U.S. Women’s Open was Catherine Lacoste in 1967. The amateurs are stronger than they’ve ever been, but the professionals have not allowed them to close the gap. A victory by one of the college set would be a cannon shot heard round the world. Could it happen? Absolutely. Is it likely? Not at all.
Third, let’s talk Kupcho
Jennifer Kupcho won the inaugural Augusta National Women’s Amateur. She won three times on tour in 2022, including the Chevron, a major title. She won a fourth event in 2025, but has not established the winning credentials projected on her after 2022’s marvelous coming-out.
Kupcho hails from Colorado, and spent four years in the Carolina Piedmont, at Wake Forest Universtiy. Neither of those locales cries out I’ll be at home at Riviera, but here we are, after a seven-birdie performance. Kupcho posted birdie on each of her first three holes, and added four more (against two bogeys) to assume a one-shot advantage over Korea’s Sei Young Kim.
Kupcho drove the ball decently, approached moderately well, but putted lights out on Thursday. Her 26 putts were tied for best in show on day one. There might just be something about the putting surfaces at Riviera that aligns with Kupcho’s vibe. If that is the case, just get the ball on the green, anywhere, and let the flatstick do the lifting.
Fourth, how young is Sei Young?
Sei (pronounced “So”) Young Kim won a dozen times from 2015 to 2020. She took time off from winning until 2025, shen she captured a thirteenth LPGA title. Like Kupcho, Kim has hardware from one major event, the 2020 Women’s PGA Championship. How to explain the five years away from victory? No idea. When Sei Young was in contention during the prime of her career, the outcome was a foregone conclusion.
What to expect over the next three days at Riviera? Anyone’s guess. It might be the 2015-2020 Sei Young, or it could be the 2021-2025 version. Kim began her day with birdies at 10 and 11, then settled into a stretch of pars before her solitary bogey at the 4th (her 13th) hole. Kim regained her composure and reeled in three birdies to close the front nine. Her four-under performance trails Kupcho alone, and there is a real chance that Sei Young will produce a second score in the 60s and take a bit of control of the tournament.
Fifth, we’re giddy for Gaby
Although I cannot place my finger on why, it seems that each year, Gaby Lopez pops up on the U.S. Open leaderboard. She hasn’t figure out how to remain in contention, but here we are, in 2026, and Lopez is once again in the mix. The three-time champion on the LPGA circuit had a stunning first nine holes, turning in minus-five. She reached six deep at her tenth hole, but then gave three shots back coming home. Which Gaby will show up on Friday, and for how long? If back-nine Gaby can somehow channel front-nine Gaby, all outcomes are within reach. If the loose play continues, Lopez’ wiki page will add one more T41 to her majors column.
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Stephan Smith
Jan 5, 2020 at 5:48 pm
Looking to put new shafts in some. What is the tip size on these irons?
Eric Schuster
Aug 17, 2009 at 7:58 am
I have these just off the rack, the only thing I did was have loft and lie adjusted. Surprisingly the lofts were quite close to the specs Titleist lists on their website.
Don Fenton
Aug 16, 2009 at 10:36 am
I have played blades since I was a kid, I am 48 now and a decent 5 handicap stick. My iron of choice has been the Mizuno MP33 for 6 years now, prior to that I was a Taylormade player back to the originals. My question is this….I am curios if you just hit/played standard off the rack ZM’s or if they were modified shaft wise to your specs. I would order my clubs 1″ over and probably with Rifle 6.0 or Dynamic Gold X100’s in them for shafts.
Thanks
James Lawler
Jan 29, 2009 at 5:48 am
I went in to purchase a set of MP62’s to replace my TM RAC TP MB’s, but loved the look of these irons, so I changed my mind at the last minute (also remembering how solid my 905R still is). These are very solid clubs, but with a much higher ball flight than I was expecting. They are relatively forgiving (and I use the word “relatively”). However, swipes will be severly punished, as they should be. The short irons (8-pw) are especially good for working the ball and for knock down shots.
Are these better than Mizuno irons? I don’t know. For me they are more playable, but they certainly do not feel as soft. When struck on the sweet spot there is a noticable solid click, but I really like this now that I have got used to it.
The solid feel and performace of these irons has made me change all of my bag to Titleist equipment.
E Schuster
Jun 21, 2008 at 11:04 pm
The ZB’s have been reviewed by my colleague. You’ll find that review here also. Thanks
James L
Jun 18, 2008 at 4:45 am
Will you be reviewing the ZB’s as I want to change to them but would like a good honest review before taking the plunge?
gg
Jun 9, 2008 at 10:29 am
Finally found a set to replace my mp-29’s, took a few sessions at the range to get use to since the sweet-spot is in the middle of the club, but now after playin several rounds with these they are the best clubs I have ever played with to date!!! My scores are dropping fast. I highly recommed these to low hdcp players!!!