PHOTO GALLERY: PGA Championship Practice Rounds

Here’s a look at some of early practice round action at the 2015 PGA Championship at Whistling Straits.
Defending champ Rory McIlroy works on his putting.
Former PGA Champion John Daly talks with Jordan Spieth 
Jordan Spieth prepares at Whistling Straits in hopes of a 3rd Major win in 2015.
Vijay Singh won the 2004 PGA Championship at Whistling Straits
Rickie Fowler and Jason Dufner prepare for The PGA Championship.
Rory McIlroy spends more time on the putting green.
Keegan Bradley hopes to tame Whistling Straits this week.
Phil Mickelson works out on the driving range at Whistling Straits.
Billy Horschel won last year’s Tour Championship…
Martin Kaymer won the 2010 PGA Championship at Whistling Straits in a playoff.
Adam Scott hopes to add a PGA Championship to his resume