He played college football for the Kansas State Wildcats and was selected by the New Orleans Saints in the second round of the 2000 NFL draft.

Howard attended Boca Ciega High School in Gulfport, Florida and was a letterman in football and basketball.

In basketball, he helped lead his team to the 1994 Florida State Championship.

On March 13, 2006, he joined the Philadelphia Eagles through free agency, by signing a six-year deal.

In 2008, Howard led the Eagles in sacks (10.5), most of which came from the defensive tackle position in passing downs.