Jimmy Walker did everything required of a major champion on the longest final day in 64 years at a PGA Championship.
And then Jason Day made him do a little bit more.
Walker was standing over an 8-foot birdie putt on the par-5 17th hole Sunday when he heard a roar that caused him to twice back off the putt. It was Day, the defending champion and world's No. 1 player, down to his last chance and delivering with a 2-iron that landed in front of the pin and stopped 15 feet away for eagle.
Walker answered, like he had done all day, with a birdie for a three-shot lead.
Moments later, another roar.
Day made the eagle putt, and the lead was down to...