Jamar Kendric Nesbit is an 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...

 guard

Guard (American football)

In American and Canadian football, a guard is a player that lines up between the center and the tackles on the offensive line of a football team....

 who is currently a 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....

. He was signed by the Carolina Panthers

Carolina Panthers

The Carolina Panthers are a professional American football team based in Charlotte, North Carolina. They are currently members of the South Division of the National Football Conference in the National Football League . The Panthers, along with the Jacksonville Jaguars, joined the NFL as expansion...

 as an undrafted free agent in 1999. He played college football

College football

College football refers to American football played by teams of student athletes fielded by American universities, colleges, and military academies, or Canadian football played by teams of student athletes fielded by Canadian universities...

 at South Carolina

South Carolina Gamecocks football

The South Carolina Gamecocks football team represents the University of South Carolina in NCAA Division I college football. The Gamecocks have been a member of the Southeastern Conference since 1992. Steve Spurrier is the current head coach, and the team plays its home games at Williams-Brice...

. Nesbit has also played for the Jacksonville Jaguars

Jacksonville Jaguars

The Jacksonville Jaguars are a professional American football team based in Jacksonville, Florida, U.S. They are currently members of the South Division of the American Football Conference in the National Football League...

 and New Orleans Saints

New Orleans Saints

The New Orleans Saints are a professional American football team based in New Orleans, Louisiana. They are members of the South Division of the National Football Conference of the National Football League ....

.

He was suspended for four games during the 2008-2009 season for using a performance-enhancing drug. While serving his suspension, he lost his starting job to Carl Nicks

Carl Nicks (American football)

Carl Nicks, Jr. is an offensive guard for the New Orleans Saints of the National Football League. He was drafted in the 5th round of the 2008 NFL Draft...

. He had been using StarCaps, which contained the illegal loop diuretic

Loop diuretic

Loop diuretics are diuretics that act on the ascending loop of Henle in the kidney. They are primarily used in medicine to treat hypertension and edema often due to congestive heart failure or renal insufficiency...

 Bumetanide

Bumetanide

Bumetanide is a loop diuretic of the sulfamyl category to treat heart failure. It is often used in people in whom high doses of furosemide are ineffective. It is marketed by Hoffmann-La Roche. The main difference between the two substances is in bioavailability and pharmacodynamic potency...

, which is used to mask steroids/PED

Performance-enhancing drugs

Performance-enhancing drugs are substances used by athletes to improve their performances in the sports in which they engage.- Types of performance-enhancing drugs :...

's. In 2010, Nesbit is suing the NFL, claiming that they knew that Bumetanide was in StarCaps, but they did not notify and of the players.