Titleist Brand Ambassador Rory McIlroy practices his penmanship.

Cheers!

No more games. Here's Nick Watney's bag with a 909 and a new Titleist 910 prototype driver that he has been testing out. Don't worry, we'll remind his caddy to keep it to 14 clubs before heading to the course.

A little closer...

One way to tell you're at Whistling Straits...

On to some clubs... Can you guess the owner of these?

Geoff Ogilvy!

And a little closer.

And these belong to Seung-yul Noh.

Welcome, again.