Titleist Brand Ambassador Webb Simpson, currently No. 1 in the FedEx Cup Playoffs standings, sends his Pro V1x golf ball sailing down the range at East Lake.

Here's another view.

Over on the putting green, Titleist Brand Ambassador Nick Watney puts in some work with his Scotty Cameron Newport Fastback.

Titleist Brand Ambassador Bo Van Pelt is playing this week in his second-consecutive Tour Championship.

And now it's Bill's turn.

Check out Bill's Prototype Titleist CB (712 Series) irons. He's one of the few players on the PGA Tour that carries a 2-iron.

Never a bad idea to take tips from someone with a 70.22 PGA Tour scoring average.

Pop quiz!

The clinic continues with Titleist Brand Ambassador Jason Dufner as instructor.

A dozen players in this week's field are gaming Scotty Camerons, more than any other competitor.