He was selected in the sixth round of the 2001 NFL draft by the Cleveland Browns after playing college football for Texas A&M University.
[1] The Cleveland Browns selected him in the sixth round of the 2001 NFL draft and on May 25, they signed him to a three–year contract.
[5] The following season, during final cuts, he was waived from the team, only to be re-signed to the practice squad the next day.
[7] He made his NFL debut on October 13 against the Tampa Bay Buccaneers, recording one tackle in the game.
[11] During training camp, after Robert Griffith broke his finger, Jameson was listed as one of the Browns' two starting safeties.
[16] Entering the 2005 season, he was the final member of the Browns' 2001 draft class that still remained on the roster.