Peterson played college football for the Florida Gators, where he was a member of a national championship team and earned first-team All-American honors.

[11] Peterson also played for the Jacksonville Jaguars for the six seasons from 2003 to 2008 when he and coach Jack del Rio had a verbal altercation during a team meeting.

[4] He first worked as an undergraduate assistant coach on the Gators strength and conditioning staff then took over as its coordinator in 2014 after graduating.

[4][5] On January 5, 2022, Peterson was hired as outside linebackers coach on Billy Napier's staff at Florida.

The foundation was constituted in an attempt to support and benefit under-served youth and socio-economically challenged families in Peterson's hometown of Alachua, Florida and his NFL cities of Jacksonville and Atlanta.