Jimmy Walker went out early on Day 1 of the PGA Championship and put up a 5-under 65 that no one in the field could match. He leads the trio of Emiliano Grillo, Ross Fisher and Martin Kaymer by one shot while other big names like Dustin Johnson, Phil Mickelson, Sergio Garcia, Bubba Watson and Rory McIlroy all finished over par.
Here are the key stats from the first round at Baltusrol:
• Walker's 65 tied his lowest career round in a major.