Vontrell Jamison is a former American football

American football

American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...

 defensive end

Defensive end

Defensive end is the name of a defensive position in the sport of American and Canadian football.This position has designated the players at each end of the defensive line, but changes in formations have substantially changed how the position is played over the years...

. He attended training camp with the St. Louis Rams

St. Louis Rams

The St. Louis Rams are a professional American football team based in St. Louis, Missouri. They are currently members of the West Division of the National Football Conference in the National Football League . The Rams have won three NFL Championships .The Rams began playing in 1936 in Cleveland,...

 in 2005, but he was cut at the end of August 2005 prior to the start of the regular season. In early November 2005, he signed with the Dallas Cowboys

Dallas Cowboys

The Dallas Cowboys are a professional American football franchise which plays in the Eastern Division of the National Football Conference of the National Football League . They are headquartered in Valley Ranch in Irving, Texas, a suburb of Dallas...

 of the National Football League

National Football League

The National Football League is the highest level of professional American football in the United States, and is considered the top professional American football league in the world. It was formed by eleven teams in 1920 as the American Professional Football Association, with the league changing...

. He was on the Cowboys's practice squad for most of the year on the Cowboys' practice squad, but he was activated to the regular lineup at the end of the season following an injury to Kevin Burnett. He was signed as an undrafted free agent

Free agent

In professional sports, a free agent is a player whose contract with a team has expired and who is thus eligible to sign with another club or franchise....

 out of Clemson University

Clemson University

Clemson University is an American public, coeducational, land-grant, sea-grant, research university located in Clemson, South Carolina, United States....

. He was cut by the Cowboys in August 2006. He also played one game for the New York Dragons

New York Dragons

The New York Dragons were an Arena Football League team based in the New York metropolitan area. The team was founded in as the original incarnation of the Iowa Barnstormers, and relocated to New York in . They played in New York until 2008, when the league folded...

 in the Arena Football League

Arena Football League

The Arena Football League is the highest level of professional indoor American football in the United States. It is currently the second longest running professional football league in the United States, after the National Football League. It was founded in 1987 by Jim Foster...

 in 2007, recording one tackle. He is the cousin of former San Diego Chargers

San Diego Chargers

The San Diego Chargers are a professional American football team based in San Diego, California. they were members of the Western Division of the American Football Conference in the National Football League...

 defensive tackle Adrian Dingle

Adrian Dingle (football player)

Adrian Kennell Dingle is a former American football defensive tackle in the National Football League. He played five seasons for the San Diego Chargers ....

 and former NBA

National Basketball Association

The National Basketball Association is the pre-eminent men's professional basketball league in North America. It consists of thirty franchised member clubs, of which twenty-nine are located in the United States and one in Canada...

 player Harold Jamison

Harold Jamison

Harold Sherill Jamison is an American professional basketball player, who currently plays for BC Politekhnika-Halychyna in Lviv, Ukraine. He is 6'9" and plays the power forward and center positions....

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