Williams was the second overall pick in the 2011 NBA Draft.
The 6-foot-8, 241-pounder led Arizona with per-game averages of 19.5 points and 8.3 rebounds in 2010-11. He scored in double figures 37 times and posted 13 double-doubles.
Williams was named the 2011 Pac-10 Conference and USBWA District IX Player of the Year. Williams' 741 points scored was the third-highest single-season total in school history, while his 247 free throws and 331 attempts were new single-season school records.
He averaged 17.8 points and 7.7 rebounds in 69 career games, including 68 starts, over two seasons at Arizona. He finished his career with 1,227 career points, the most ever by a Wildcat in his first two seasons.