Accenture Match Play quarterfinals/semifinals analysis

CARLSBAD, Calif. -- OK, so maybe there wasn't much star power left at the Accenture Match Play Championship on Saturday -- with Tiger Woods, Phil Mickelson and Vijay Singh all losing before the weekend -- but that doesn't mean there wasn't entertaining golf being played. We break down the two semifinals and four quarterfinals matches.

Jason Sobel is ESPN.com's golf editor. He can be reached at Jason.Sobel@espn3.com