Justin Thomas with his caddie Jesse Muller reacts to his ball just missing the hole at No. 18 during Saturday's singals matches of the 2013 Walker Cup at National Golf Links of America in Southampton, N.Y.

Justin Thomas with his caddie Jesse Muller reacts to his ball just missing the hole at No. 18 during Saturday's singals matches of the 2013 Walker Cup at National Golf Links of America in Southampton, N.Y.