He played college football at Villanova University and signed with the Minnesota Vikings as an undrafted free agent in 2014.

Cox attended San Diego High School where he was Athlete of the Year and selected All-League first-team in 2008 & 2009.

On May 11, 2014, Cox signed with the Minnesota Vikings as undrafted free agent following the conclusion of the 2014 NFL draft.

On August 31, 2018, Cox signed a practice roster agreement with the Toronto Argonauts.

The Cologne Crocodiles of the German Football League announced on January 18, 2020, that they signed Cox for the 2020 season.