Pop quiz! Name the two new Titleist products Woon Joon Lee is testing in this photo.

He also carries Titleist MB irons (4-PW) along with a Titleist AP2 3-iron.

Riegger won earlier this year at the Nationwide Tour's Rex Hospital Open.

Lee has finished T-2 and T-4 the last two weeks on the Nationwide Tour and is aiming for another high finish to secure his 2011 PGA Tour card.

Riegger's bag features a Titleist 909D3 9.5 driver, new 910F 13.5 fairway metal and Vokey Design Spin Milled wedges (54, 60), stamped simply with "JR."

Mark Anderson plays a full bag of Titleist equipment, including four new clubs: Titleist 910 D2 7.5 driver, 910Fd 13.5 fairway metal, 910H 19.0 hybrid and Scotty Cameron California Hollywood putter. He is also playing the new Titleist Pro V1x prototype…

...MB irons (3-9) and Vokey Design Spin Milled wedges (48, 54, 58) – stamped with "PRES."

That's the new Titleist 910 Driver...

Titleist Brand Ambassador John Riegger also needs a good finish this week to earn his 2011 PGA Tour ticket. Let's take a closer look at some of his Titleist equipment...