Pac 10 Basketball Tournament - Semifinals
Derrick Williams #23 of the Arizona Wildcats and Alex Stepheson #1 of the USC Trojans battle for the ball in the second half in the semifinals of the 2011 Pacific Life Pac-10 Men's Basketball Tournament at Staples Center on March 11, 2011 in Los Angeles, California.
(March 10, 2011 - Source: Jeff Gross/Getty Images North America) more pics from this album »