Jackson played professionally in the National Football League (NFL) for the Atlanta Falcons, Jacksonville Jaguars, New England Patriots, and Denver Broncos.
[1] He played college football at Louisiana State University, where he was part of the 2007 national championship team and was a first-team All-Southeastern Conference selection.
While attending St. Paul's Episcopal School in Mobile, Alabama, Jackson played wide receiver, defensive back, and return specialist.
Jackson recorded 40 tackles and seven interceptions on defense in 2003 as a senior, and also caught 31 passes for 660 yards and five touchdowns at receiver.
While subbing in for an injured Corey Webster, Jackson recorded two tackles and a pass break-up against Florida.
In his sophomore season in 2005, Jackson started at cornerback and ranked in the top ten in the nation in five statistical categories.
Jackson finished his junior season ranked eighth on the all-time school list for passes defended with 23.
In the BCS National Championship victory over Ohio State, Jackson recorded two tackles and grabbed an interception that he returned 34 yards.
[3] He returned his first career interception for a 95-yard touchdown on November 9, 2008, in a Week 9 meeting against the division rival New Orleans Saints.
Jackson finished the 2008 regular season with 31 tackles and five passes defensed in 16 games played (one start).
In 2009, Jackson played in 15 games, starting two, and finished with 29 tackles, two passes defensed, and one forced fumble.
In 2021, Jackson was retained in the same role at Kansas when Lance Leipold was named the new head coach to replace Les Miles.