Here's a look into Leishman's Titleist bag: Marc plays a mixed set of Titleist irons (AP2 2-4, MB 5-9) and carries three Vokey wedges (48, 54, 58), featuring a little rust from Australian ocean breezes.

Let's take a look inside Joe's Titleist bag...

Titleist Brand Ambassador D.J. Trahan puts some work in on the Waialae driving range. Trahan finished 2010 strong, making nine of his last 10 cuts.

Jones currently games a Scotty Cameron Newport 2 Studio Select.

Titleist Brand Ambassador Ryuji Imada prepares for a putting drill by drawing a line around his Pro V1x golf ball.

Here's Vokey Tour Representative Aaron Dill, hard at work in Waialae's bag storage room/makeshift workshop.

Same goes for Scotty Cameron Tour Rep Kelly Moser.

Joe is gaming the new Titleist 910D2 7.5 driver with the SureFit Tour (SFT) hosel in the D•1 position (-.75 less loft, standard lie), a 909F2 15.5 fairway metal and new 910H 21.0 hybrid with the SFT hosel in the B•1 position (standard loft, -.75 flat…

And four Titleist Vokey Design wedges: 48-06 (bent to 46), 52-08 (bent to 51), 56-10 and 60T (bent to 61).

Titleist Brand Ambassador Matt McQuillan is one of several players making their PGA Tour debuts this week. McQuillan earned his card with a T-16 finish at Q-School in December.