He was a member of the Oakland Raiders, Sacramento Mountain Lions, Saskatchewan Roughriders and Kansas City Chiefs.
[3][4][5] Kilgore spent the 2012 season with the Sacramento Mountain Lions of the United Football League.
'"[6] Kilgore signed with the Saskatchewan Roughriders of the Canadian Football League (CFL) in December 2012.
Kilgore said they "were extremely cool about it" and indicated that the Roughriders would like to have him rejoin the team if he did not succeed in the NFL.
[10] He suffered a broken thumb in a June 2014 preseason game and the team placed him on the six-game injured list.