松山英樹
Of the 32 matches played, 9 were "upsets" with the lower seeded player beating the higher seeded player and 6 matches were halved. These included top seeds #5 Rickie Fowler, #8 Dustin Johnson, #11 Branden Grace, and #12 Hideki Matsuyama losing matches and #4 Bubba Watson, #6 Adam Scott, and #10 Danny Willett halving matches.