ST ANDREWS, SCOTLAND - JULY 18: Jason Day of Australia lines up a putt on the 16th green during the second round of the 144th Open Championship at The Old Course on July 18, 2015 in St Andrews, Scotland. (Photo by Mike Ehrmann/Getty Images)
ST ANDREWS, SCOTLAND - JULY 18: Jason Day of Australia lines up a putt on the 16th green during the second round of the 144th Open Championship at The Old Course on July 18, 2015 in St Andrews, Scotland. (Photo by Mike Ehrmann/Getty Images)