WGC-Accenture Match Play Championship: Tourney's final four has star power

Hunter Mahan hits his a tee shot on No. 15 during Saturday's Match Play quarterfinals. The defending champion won twice to advance.

WGC-Accenture Match Play Championship: Tourney's final four has star power

Jason Day, far right, shakes hands with Graeme McDowell after winning 1 up during Saturday's quarterfinals. Day will face Matt Kuchar in the semifinals.

WGC-Accenture Match Play Championship: Tourney's final four has star power

Jason Day chips on the 13th green Saturday during his 1 up win over Graeme McDowell. "I've been playing great, and I'm just really, really excited to get into the matches (today)," Day said.

WGC-Accenture Match Play Championship: Tourney's final four has star power

Defending WGC-Accenture Match Play champion Hunter Mahan walked up the 18th fairway Saturday afternoon about 25 yards behind the reigning U.S. Open champion, Webb Simpson.

Match Play: Results from all the matches in Round 2

Round 2 results

Match Play: Today's tee times

On Hole No. 1

Match Play: Hi-YA! Piercy takes down Donald

Scott Piercy, who beat No. 3 overall seed Luke Donald 7 and 6 on Friday, seems to be at his best in match play. "I think it fits my golf game," he said.