He played college football for the Ohio State Buckeyes, where he majored in African Studies.

He was selected by the Oakland Raiders in the fifth round of the 2007 NFL draft and played for the team for three seasons.

[5] Richardson had a strong performance during the Saints 2013 training camp[6] but he was cut from the roster at the end of the preseason.

After the Saints sustained several defensive injuries in their first regular season game, Richardson was brought back to the team on September 12, 2013.

[7] The Saints released him again on October 8, 2013, to make room for defensive end Keyunta Dawson.