Attended the Northwestern HS in Hyattsville, Maryland.
Played college ball at Georgetown from 2004 to 2007.
Selected by the Boston Celtics as 5th overall pick in the 2007 NBA Draft. Draft rights traded to the Seattle SuperSonics. Signed with the team in July. The team became the Oklahoma City Thunder in the summer of 2008.
Traded to the Boston Celtics in February 2011.
Traded to the Memphis Grizzlies in January 2015.
Named Big East Rookie of the Year in 2005.
Named to the All-BEC 2nd Team in 2006.
Named Big East Player of the Year in 2007. Named to the All-BEC 1st Team.
Named Big East Tournament MVP in 2007.
Named Most Outstanding Player of the NCAA East Regional in 2007.
Named to the AP All-America 3rd Team in 2007.
Named to the All-Rocky Mountain Revue Team in 2007.
Selected to the NBA Rookie All-Star Game in 2008 and 2009.
Voted to the HoopsHype.com NBA All-Rookie 2nd Team in 2007-08.
Selected to the NBA All-Rookie 1st Team in 2007-08.
Named to the All-Orlando Pro Summer League 1st Team in 2008.