He played college football at Central Washington University, Kelly was signed to the Oakland Raiders as a undrafted free agent in 2011 .
He was a member of the Oakland Raiders, Wyoming Cavalry, Spokane Shock, Portland Steel, Calgary Stampeders, Washington Valor, Jacksonville Sharks, and Iowa Barnstormers.
Kelly was named Second-team All-Great Northwest Athletic Conference as a junior in 2009.
[2] Kelly was named First-team All-Great Northwest Athletic Conference as a senior in 2010.
[9] Kelly signed with the Wyoming Cavalry of the Indoor Football League in 2013 and stayed with the team through 2014.