John Bickerton, three-time European Tour winner, turns 46. His three wins came between 2005-2008 and include the Open de France and the Alfred Dunhill Championship.
Ryan Howison, a three-time Web.com winner, turns 49.
Charley Hoffman, three-time PGA winner, turns 39. His biggest win to date was the 2010 Deutsche Bank Championship, which he won by five strokes. In 2014, he won the OHL Classic, and in 2015 he finished tied for ninth at the Masters, his only top 10 finish at a Major.
Steve Jones, winner of the 1996 US Open, turns 57. In 1991 he suffered significant damage to his left ring finger in a dirtbike injury and did not play again until, and then only two events. At the 1996 Open, he shot 66-69-69 over the final three days to win by three strokes over Tom Lehman and Davis Love III.
Martin Kaymer, former World No. 1 and two-time Masters champion, turns 31. Kaymer spent eight weeks ranked No. 1 in the world between February and April of 2011. Kaymer won the 2007 European Tour Rookie of the Year award and the PGA Championship in 2010. He wasn’t in the Top 10 until the end of Day 3, when he got to 9-under and within four strokes of the lead. A wild final day saw Kaymer and Bubba Watson tie for the lead, and Kaymer won a 3-hole playoff by one stroke. The 2014 US Open was a lot easier victory as he shot a 65-65-72-69 to finish 9 strokes under par and win the title by eight strokes.