He previously served as an assistant coach for the New York Jets and Seattle Seahawks, and at California State University, Fresno.

Manning played college football for the UCLA Bruins and was selected by the Carolina Panthers in the third round of the 2003 NFL draft.

Along with the Panthers he also played for the Chicago Bears, St. Louis Rams, Oakland Raiders, and the Florida Tuskers of the United Football League (UFL).

[1] Manning started 45 consecutive games for UCLA, which ranks as the second longest streak in school history.

The Panthers declined to match Chicago's offer, and received a third round pick (88th overall, later used to select James Anderson) from the Bears in the 2006 NFL draft.

Manning signed with the Oakland Raiders on August 15, 2009, after the team released tight end John Paul Foschi.

In 2002 Manning was convicted of assault as a result of a fight with cheerleaders Brian Herbert and Seth Spiker outside a Westwood bar.

On April 23, 2006, Manning attacked Soroush Sabzi,[10] in a Denny's restaurant after first teasing him for working on a laptop computer.

In light of the assault charge, the Panthers declined to match Chicago's offer and Manning signed with the Bears.

Facing up to 4 years in prison, Manning pleaded no contest in September 2006 to felony assault in exchange for another probation deal.

[12] In 2012 Manning was hired to coach his high school alma mater's varsity football team.