"Z" is for Zach, as in Titleist Brand Ambassador Zach Johnson.

Titleist Brand Ambassador Rickie Fowler made his rounds with the media Wednesday.

Rickie answers more questions.

Even Rickie Fowler stopped to listen.

And "A" is for Adam, as in Titleist Brand Ambassador Adam Scott.

Check out these Scotty Cameron prototypes.

Of course, "A.S." also stands for Adam Scott.

Adam Scott put the new 910F 15.0 prototype fairway metal in play last week at The Barclays.

Here's a closer look at a Scotty Cameron 009 Tour Prototype.

Titleist Brand Ambassador Rory McIlroy talks to his caddie on the range.