World Golf Championships-CA Championship: Logged 56th career TOUR victory and 13th official World Golf Championships title in 24th start at the CA Championship at Doral Golf Resort & Spa. Held the 36- and 54-hole leads before closing out a two-stroke win over Brett Wetterich, marking the 39th time winning (in 42 events) when holding at least a share of the third-round lead.
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.