 He graduated from St. Joseph’s University in May 2005 with a degree in Pharmaceutical Marketing.Known as "The Gentleman", Witherspoon turned pro in 2004 and was undefeated for the first 23 of his professional bouts, winning 15 by KO.On June 21, 2008, he lost a fight against fellow heavyweight prospect Chris Arreola in which he was disqualified in the 
third round.