Christopher Lyle Cooper (born December 27, 1977) is an American former professional football player who was a defensive lineman in the National Football League (NFL) for the Oakland Raiders, Dallas Cowboys, San Francisco 49ers, Seattle Seahawks and Arizona Cardinals.
He accepted a football scholarship from Division II University of Nebraska-Omaha, where he became a four-year starter at defensive tackle.
Cooper was selected by the Oakland Raiders in the sixth round (184th overall) of the 2001 NFL draft.
In 2002, he appeared in 16 games with one start, while collecting 19 tackles one sack, one pass defensed and one forced fumble.
He made 3 defensive tackles and also played on special teams in the AFC Divisional playoff game against the New York Jets.
[3] He had 3 defensive tackles in Super Bowl XXXVII against the Tampa Bay Buccaneers.
In November, he was one of four Raider players (Bill Romanowski, Barret Robbins and Dana Stubblefield) implicated in the BALCO scandal.
[5] On September 11, 2004, he was traded to the Dallas Cowboys in exchange for a conditional draft choice (not exercised).
On September 22, 2006, he was released to make room for the acquired wide receiver Deion Branch.
He finished his career with 134 tackles, 8.5 sacks, one interception, 8 passes defensed and 4 forced fumbles.