TROON, SCOTLAND - JULY 14: Phil Mickelson of the United States reacts at the the end of his first round on day one of the 145th Open Championship at Royal Troon on July 14, 2016 in Troon, Scotland. (Photo by Matthew Lewis/Getty Images)
TROON, SCOTLAND - JULY 14: Phil Mickelson of the United States reacts at the the end of his first round on day one of the 145th Open Championship at Royal Troon on July 14, 2016 in Troon, Scotland. (Photo by Matthew Lewis/Getty Images)