The scoring at the PGA Championship is especially high, and a big reason is the greens at Aronimink. More specifically, it's the diabolical pin positions.

The PGA Championship is off and running at Aronimink and it started with a little uncertainty. Braden Shattuck was given the honor of the opening shot.

The world No. 1 shot 67 to start his title defense at Aronimink Golf Club and has plenty of company.