Back to the tee, Bill Haas keeps a watchful eye on his Pro V1x.

Next on the tee, Rory McIlroy. Fresh off a big win at the Deutsche Bank Championship, Rory looks to keep his spot atop the FedExCup leaderboard.

Steve Stricker looks over his yardage book before stepping up to the tee.

Fractions of a second after impact...

Nick Watney, winner of the 2012 Barclays at Bethpage Black, splits another fairway and looks to stick his approach shot.

Zach Johnson and Jason Dufner take to the course at Crooked Stick - home of the 2012 BMW Championship.

A familiar site on the range this week as players look to punch their ticket to the Tour Championship.

Geoff Ogilvy fires his Pro V1 down the fairway.

A quick note and a final check of all the details before Zach decides on which club to pull.

Moments later, he sends his Pro V1x flying down the fairway.