Titleist Brand Ambassador Robert Karlsson warms up on the range with his Titleist 910D3 9.5 driver with a Tour AD DI-6 shaft and his SFT hosel in the D•2 (-.75º less loft, +1.5º upright) position.

Titleist Brand Ambassador Matteo Manassero meets with the media after his first-round victory. Manassero, 17, became the youngest player to ever win a match at the WGC-Accenture Match Play Championship.

He also plays a TVD 58º M-grind with Project X 6.0 shaft.

Manassero has two Vokey Spin Milled wedges. Here's his Vokey Design 252.08 with Project X 6.0 shaft.

Matteo's putter is a Scotty Cameron Newport Timeless GSS.

Titleist Brand Ambassador Rory McIlroy takes a quick break during a chilly early-morning range session.

Rory's putter has "soft ski pole" shaft you would normally find in a belly-style putter. He prefers the extra weight.

As you can tell, this flatstick has seen its share of putts – and cups.

Titleist Brand Ambassador Nick Watney signs autographs on his way back to the locker room. (And now it's time for us to sign off... Thanks!)