Titleist Brand Ambassador Webb Simpson gets the safe sign from a marshal, signalling another great drive right down the middle.

...Titleist Brand Ambassador Ben Curtis.

These 712 Series AP1 irons belong to the winner of this year's Valero Texas Open...

The staff bag of Titleist Brand Ambassador Nick Watney.  Notice anything unusual?

The CB irons and well-worn 59-degree lob wedge of Titleist Brand Ambassador Bryce Molder.

Ben Crane is playing in his fourth Memorial Tournament of his career this week.  Ben currently leads the Tour in total eagles with 10. 

You might not recognize this Titleist Brand Ambassador without his hat and shades.

Only Scotty Cameron could successfully marry golf and south-of-the-border wrestling.

The beautiful 9th hole.  The tilted green is framed by a lake, a creek, a forest and a large hillside and must often be approached from an uneven lie, even off a good drive. One of many strong par 4s at Muirfiled.

And an even better hint here in the dotted stamps. (It belongs to Titleist Brand Ambassador Scott Stallings.)