1. Bubba Watson (above): Won his first PGA Tour event here four years ago. Now, he is a two-time Masters champion. Has three other top-10 finishes at TPC River Highlands, including last year when he had the lead with three holes remaining.

2. Charley Hoffman: Hoffman was Watson two years ago, blowing a golden opportunity to win this tournament when he drowned his tee shot on the 71st hole. Finished tied for seventh last year.

3. Hunter Mahan: Former champion (2007) has shot below 65 seven times at TPC River Highlands. Mahan is due for another tour victory.