Played college ball at Georgetown till 1991.
Selected by the Denver Nuggets as 4th overall pick in the 1991 NBA Draft.
Played in Denver from 1991-92 to 1995-96.
Signed with the Atlanta Hawks in 1996-97.
Played in Atlanta until February 2001, when he was traded to the Philadelphia 76ers.
Traded to the New Jersey Nets in August 2002. Waived in October 2003.
Signed with the New York Knicks in October 2003.
Traded to the Chicago Bulls in August 2004.
Traded to the Houston Rockets in September 2004. Played there till 2008-09.
Named NBA global ambassador in November 2009.
Named BEC Defensive Player of the Year in 1991.
Selected to the NBA All-Rookie 1st Team in 1992.
4 times named Defensive Player of the Year.
3 times named to the NBA All-Defensive 1st Team.
3 times named to the NBA All-Defensive 2nd Team.
Led the NBA in total blocked shots from 1993 to 1998.
Led the NBA in total rebounds in 1994-95 and 1996-97 and 2000-01.
8 times selected to the NBA All-Star Game.
Named to the All-NBA 2nd Team in 2000-01.
Voted to the All-NBA 3rd Team in 2001-02.
Voted to the HoopsHype.com All-NBA 3rd Team in 2001-02.
Voted to the HoopsHype.com All-NBA 2nd Defensive Team in 2001-02.
Ranks second in the blocked shots NBA's all-time list.