![Phil Mickelson marks his ball on the second green during the final round of the PGA Championship held at Baltusrol Golf Club in Springfield, New Jersey on August 14 , 2005. (UPI Phil Mickelson marks his ball on the second green during the final round of the PGA Championship held at Baltusrol Golf Club in Springfield, New Jersey on August 14 , 2005. (UPI](https://c8.alamy.com/comp/TYFR90/phil-mickelson-marks-his-ball-on-the-second-green-during-the-final-round-of-the-pga-championship-held-at-baltusrol-golf-club-in-springfield-new-jersey-on-august-14-2005-upi-photojohn-angelillo-TYFR90.jpg)
Phil Mickelson marks his ball on the second green during the final round of the PGA Championship held at Baltusrol Golf Club in Springfield, New Jersey on August 14 , 2005. (UPI
![Those aren't just three lines on Phil Mickelson's golf ball—they're science | Golf Equipment: Clubs, Balls, Bags | Golf Digest Those aren't just three lines on Phil Mickelson's golf ball—they're science | Golf Equipment: Clubs, Balls, Bags | Golf Digest](https://www.golfdigest.com/content/dam/images/golfdigest/fullset/2019/02/13/5c647f6e28e3d46a86afecc1_GettyImages-1128343069.jpg)
Those aren't just three lines on Phil Mickelson's golf ball—they're science | Golf Equipment: Clubs, Balls, Bags | Golf Digest
![Callaway rolls out Mickelson's Pebble Beach winning ball, Chrome Soft X with Triple Track | Golf Equipment: Clubs, Balls, Bags | Golf Digest Callaway rolls out Mickelson's Pebble Beach winning ball, Chrome Soft X with Triple Track | Golf Equipment: Clubs, Balls, Bags | Golf Digest](https://golfdigest.sports.sndimg.com/content/dam/images/golfdigest/fullset/2019/04/01/5ca24565fcb48014d73453f9_Chrome%20Soft%20X%20TT%20copy.jpg.rend.hgtvcom.966.966.suffix/1573181364707.jpeg)
Callaway rolls out Mickelson's Pebble Beach winning ball, Chrome Soft X with Triple Track | Golf Equipment: Clubs, Balls, Bags | Golf Digest
![LKD on X: "Had no idea Phil Mickelson used his logo on his golf ball instead of a number, but I LOVE it. https://t.co/t7lG11fvwx" / X LKD on X: "Had no idea Phil Mickelson used his logo on his golf ball instead of a number, but I LOVE it. https://t.co/t7lG11fvwx" / X](https://pbs.twimg.com/media/FLLM6faXoBApN8F.jpg:large)
LKD on X: "Had no idea Phil Mickelson used his logo on his golf ball instead of a number, but I LOVE it. https://t.co/t7lG11fvwx" / X
![PGA Championship 2021: The story behind the special club Phil Mickelson is using at Kiawah | Golf Equipment: Clubs, Balls, Bags | Golf Digest PGA Championship 2021: The story behind the special club Phil Mickelson is using at Kiawah | Golf Equipment: Clubs, Balls, Bags | Golf Digest](https://www.golfdigest.com/content/dam/images/golfdigest/fullset/2020/08/Mickeslon%20Mini%20One%20driver.jpg)