Buick Invitational: In first start of PGA TOUR season at the Buick Invitational, came from two strokes back in the final round to post seventh consecutive TOUR victory, dating back to the 2006 Open Championship. Victory was fifth career Buick Invitational triumph, his third event with five-plus victories (CA Championship and Bridgestone Invitational, both six times), and the 55th of his PGA TOUR career.
PGA Championship: Won 12th major at the PGA Championship at Medinah CC, moving into solo second behind Jack Nicklaus (18) on the career majors list. First player to win two PGAs at the same course (1999 and 2006). Recorded four rounds in the 60s (69-68-65-68) for just the second time in a major (2000 Open Championship). Tied the tournament record which he set with Bob May in 2000 (18-under 270). Became the 29th player in major championship history to collect two major wins in the same year, this being his fourth time.
Won seven times en route to capturing the inaugural FedExCup, cruising through the PGA TOUR Playoffs for the FedExCup with two wins and a T2 in three starts. Captured 13th career major championship (second all-time to Jack Nicklaus' 18) and finished the year with 61 official PGA TOUR victories, fifth all-time. Adjusted scoring average was 67.79, matching own record set in 2000. With 60 official rounds, won his seventh career Vardon Trophy and also captured the Byron Nelson Award.