Who Is Michael McDermott? The New Masters Marker
A new era was ushered in at the 87th Masters, as non-playing marker Michael McDermott finally replaced Jeff Knox


A new era was ushered in at Augusta National on day two of the 87th Masters after Michael McDermott officially took over the role as the tournament's non-playing marker.
The role was previously Jeff Knox's, with the American replaced in 2022 although the services of the non-playing marker have not yet been required - until now.
With an odd number of players making the cut, Augusta National member Michael McDermott is playing with Tom Kim today.• CEO of a financial services firm• Drives the ball 300+ yards• Also a member at Pine Valley & MerionDude is living the dream. pic.twitter.com/zNrp6k9BSNApril 12, 2025
McDermott would have expected that if he was needed, it would have been at the weekend, with the non-playing marker used for when an odd number of golfers make the cut. However, Mike Weir's playing partner Kevin Na withdrew after just nine holes of his first round so McDermott joined the Canadian on Friday.
The new Masters marker was dressed head-to-toe in Augusta National Golf Club merch and reportedly stepped up to the 1st tee and outdrove Weir by 30 yards with a 300-yarder as his first ever shot in his new role.
We also got a look at his brilliant swing, with a clip managing to make its way into Mike Weir's 'every shot shown' clips on the Masters website.
Looks like new #themasters non-playing marker Michael McDermott gets a game in the final round, with Keith Mitchell out on his own due to Tiger Woods' withdrawal pic.twitter.com/RtqJhkxO91April 9, 2023
McDermott gets to play on Masters Sunday, too, due to just 53 participants in the final round following Tiger Woods' withdrawal. McDermott is playing with Keith Mitchell off the 10th tee.
McDermott is clearly a very fine player and apparently once drove the 11th green at Augusta National from the members' tees.
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Not a great deal is known about him though, other than he is in his late-40s, hails from Pennsylvania and is a two-time winner of the Crump Cup - an elite amateur event held at the world famous Pine Valley Golf Club.
The CEO of a financial services firm is a member of Pine Valley, and, as reported by Joe Pompliano, Merion - quite the collection of clubs.
Fun story about new Masters marker Michael McDermott who is playing with Mike Weir. One time McDermott drove the 11th green from the members tee. His caddie ran back from his forecaddie position to setup "the longest walk with a putter in Augusta National history"April 7, 2023
He has big shoes to fill after Knox outscored a number of the world's best during his time as non-playing marker.
Knox reportedly holds the Augusta National course record of 61 (-11) and famously shot 70 to Rory McIlroy's 71 in the third round of the 2014 Masters. He started as non-playing marker back in 2002 and has made a big impression on some of the game's biggest names through the years.
“I’d take him over anyone in the world on these greens, hands down," Justin Thomas once said.
The world's best will be getting to know a lot more about Knox's replacement, Michael McDermott, over the coming years.

Elliott Heath is our News Editor and has been with Golf Monthly since early 2016 after graduating with a degree in Sports Journalism. He manages the Golf Monthly news team as well as our large Facebook, X and Instagram pages. He covered the 2022 and 2025 Masters from Augusta National and was there by the 18th green to watch Rory McIlroy complete the career grand slam. He has also covered five Open Championships on-site including the 150th at St Andrews. His first Open was in 2017 at Royal Birkdale, when he walked inside the ropes with Jordan Spieth during the Texan's memorable Claret Jug triumph. He has played 35 of our Top 100 golf courses, with his favourites being both Sunningdales, Woodhall Spa, Western Gailes, Old Head and Turnberry. He has been obsessed with the sport since the age of 8 and currently plays off of a six handicap. His golfing highlights are making albatross on the 9th hole on the Hotchkin Course at Woodhall Spa, shooting an under-par round, playing in the Aramco Team Series on the Ladies European Tour and making his one and only hole-in-one at the age of 15 - a long time ago now!
Elliott is currently playing:
Driver: Titleist TSR4
3 wood: Titleist TSi2
Hybrids: Titleist 816 H1
Irons: Mizuno MP5 5-PW
Wedges: Cleveland RTX ZipCore 50, 54, 58
Putter: Odyssey White Hot OG #5
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