Gregory Allen Jackson 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...

 safety in 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 drafted by the New York Giants

New York Giants

The New York Giants are a professional American football team based in East Rutherford, New Jersey, representing the New York City metropolitan area. The Giants are currently members of the Eastern Division of the National Football Conference in the National Football League...

 in the third round of the 1989 NFL Draft

1989 NFL Draft

The 1989 NFL Draft was the procedure by which National Football League teams selected amateur college football players. It is officially known as the NFL Annual Player Selection Meeting. The draft was held April 23–24 , 1989...

. 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 LSU

LSU Tigers football

The LSU Tigers football team, also known as the Fighting Tigers or Bayou Bengals, represents Louisiana State University in Baton Rouge, Louisiana, United States in NCAA Division I FBS college football. Current head coach Les Miles has led the team since 2005. Since 1999 when Nick Saban took over as...

.

Jackson also played for the Philadelphia Eagles

Philadelphia Eagles

The Philadelphia Eagles are a professional American football team based in Philadelphia, Pennsylvania. They are members of the East Division of the National Football Conference in the National Football League...

, 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 ....

, and 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...

.

In 1994, he took over from Wes Hopkins

Wes Hopkins

Wesley Carl Hopkins is a former professional American football safety who played for the Philadelphia Eagles his entire 11-year National Football League career from 1983 through 1993...

 as the starting free safety of the Philadelphia Eagles, and played there the following year,
till replaced by rookie Brian Dawkins

Brian Dawkins

Brian Patrick Dawkins is an American football safety for the Denver Broncos of the National Football League. He was drafted by the Philadelphia Eagles in the second round of the 1996 NFL Draft...

.

Jackson is currently the nickel backs and linebackers coach

Linebackers coach

A linebackers coach is a position coach in charge of the linebackers in gridiron football. This role is common in the CFL, NFL, and college football programs. The linebackers coach serves the defense, which is led by the defensive coordinator and works with the players of the three linebacker...

 for the Wisconsin Badgers

Wisconsin Badgers football

The Wisconsin Badgers are a college football program that represents the University of Wisconsin–Madison in the NCAA Football Bowl Subdivision and the Big Ten Conference. They play their home games at Camp Randall Stadium, the fourth-oldest stadium in college football...

.