* Day bogey-free after 14 holes * Defending champion Fowler likely to miss cut * Spieth also in danger of early exit (Updates after play ends for the day) May 13 (Reuters) - Jason Day extended his overnight lead to three shots after 14 holes in the Players Championship second round on Friday before play was suspended for the day in fading light at the TPC Sawgrass in Ponte Vedra Beach, Florida. "It's not fun stopping and starting," Day told Golf Channel after his round was disrupted for just over two hours due to the threat of lightning when he had completed just eight holes. "The moment that I lose a little bit of focus and make a few mental errors and mistakes, that's when I let the field back in." Jonas Blixt of Sweden (67), Germany's Alex Cejka (67) and American Cameron Tringale (69) were at 10 under while American Colt Knost and Rory McIlroy made the biggest moves of the day to finish at nine and eight under respectively. More...