* After 16 players in their 20s accounted for 18 victories in 2011, Kyle Stanley (24 years, 2 months, 17 days) became the first player in his 20s to win in 2012 at last week’s Waste Management Phoenix Open. Stanley became the first player to make the Waste Management Phoenix Open his first PGA TOUR win since J.B. Holmes in 2006. * Two players on the road to recovery from injuries are in this week’s AT&T Pebble Beach National Pro-Am: * Former Masters champion Mike Weir is making his first start since withdrawing in late July 2011 from the RBC Canadian Open. He underwent surgery on the extensor tendon of his right elbow on August 18. In 14 starts at the AT&T Pebble Beach event, Weir has four top-4 finishes, including runner-up finishes in 2005 and 2009 and third-place showings in 2003 and 2006. * Dudley Hart will play on TOUR for the first time since the 2009 Crowne Plaza Invitational at Colonial. Hart underwent spinal fusion surgery in June of 2009, but his first comeback attempt at the 2010 Australian Open was thwarted when he was forced to withdraw after three rounds. Hart has two top 10s in 13 previous starts at the AT&T Pebble Beach National Pro-Am, including a T3 in 2008 where he held a share of the 54-hole lead. * Phil Mickelson is the leader among active players with PGA TOUR victories at multiple-course events with 12, followed by Tiger Woods (11). Here’s a breakdown of Mickelson’s multiple-course wins: 3—AT&T Pebble Beach National Pro-Am; 3—Chrysler Classic of Tucson; 3—Farmers Insurance Open; 2—Humana Challenge; 1—HP Byron Nelson Championship.