Education
Shawnee High School.
Shawnee High School.
After four years at Villanova University Allen went undrafted in the 2000 National Basketball Association Draft. He began his career in the American Bar Association with the San Diego Wildfire and in the International Basketball League with Trenton in 2000-2001 season. On July 20, 2001 he was signed by the Miami Heat of the National Basketball Association. He stayed with the Heat until he was traded on February 24, 2005 to the Charlotte Bobcats.
The Chicago Bulls signed him to a two-year deal on September 2, 2005.
Over two seasons with the Bulls Allen played in 114 regular season games making 21 starts and averaged 4.5 points and 2.3 rebounds per game. On September 10, 2007 the New Jersey Nets signed Allen to a one-year contract worth United States$964,636.
Allen appeared in 21 National Basketball Association Playoff games. He started all six playoff games for Chicago during "06 playoffs.
On July 17, 2008, he, along with Tyronn Lue of the Dallas Mavericks, signed a contract with the Milwaukee Buckinghamshire.
On July 22, 2009, the Denver Post reported that he was set to be traded to the Denver Nuggets in exchange for Sonny Weems and Walter Sharpe. The trade was made official on July 31, 2009. On September 16, 2010, the Orlando Sentinel reported that Allen was signed to an undisclosed deal.
On August 7, 2014, it was announced that Allen was named an assistant coach for the Detroit Pistons.