The Indianapolis Colts signed free agent linebacker Caesar Rayford and waived linebacker Jake Killeen on Thursday, the team announced.
Rayford is a former Arena Football League and Canadian Football League player. In three season with Utah of the AFL, he had 68 tackles, 22 1/2 sacks, 26 1/2 tackles for loss, seven fumble recoveries and two interceptions returned for touchdowns. On special teams, Rayford set an AFL season record with six blocked kicks in 2011.
Killeen signed a reserve/future contract with the Colts on Jan. 10 after playing in the Indoor Football League for the past three seasons.