At birth, Johnson weighed 15 pounds and 14 ounces, making him the largest baby ever born in the state of Louisiana.

[3] Johnson played college football at Louisiana State University from 2004 to 2008.

He finished his career starting 38 of 52 games for the Tigers and was a member of their 2007 national championship team.

Johnson was selected by the Arizona Cardinals in the fifth round of the 2009 NFL draft.

"[6] On September 3, 2010, Johnson was cut from the Arizona Cardinals in order to make the 53 man limit for the 2010 season.