He was formerly the defensive coordinator for the Buffalo Bills, New York Jets, Minnesota Vikings, and the San Diego Chargers in the National Football League (NFL).
Ten years later, he was the linebackers coach for the Birmingham Iron of the Alliance of American Football (AAF), and worked as the defensive coordinator for the Houston Roughnecks of the XFL in 2020.
Was the first black linebacker for the Atlanta Falcons He ended his career with the Canadian Football League's Winnipeg Blue Bombers, where he played for one more year.
In 2005, the Vikings finished fifth in the NFL in takeaways and earned a postseason berth, and defeated the Green Bay Packers in a Wild Card contest.
Many[weasel words] attributed this poor record to the fact that the Chargers ranked last among NFL teams in defending against the pass.
At the midpoint of the 2008 season, the San Diego defense, generally considered to have fantastic talent,[weasel words] had gone two entire games without a quarterback sack nor a takeaway.