The Green Bay Packers have signed T Justin Renfrow to the practice squad and released G Rishaw Johnsonfrom the practice squad. The transactions were announced Tuesday by Executive Vice President, General Manager and Director of Football Operations Ted Thompson.

Renfrow, a 6-foot-4, 310-pound rookie, played three seasons at the University of Virginia before finishing his career as a graduate student at the University of Miami (Fla.). He originally signed with the Arizona Cardinals as a non-drafted free agent on May 13, 2014, but was released on Aug. 25, 2014. Renfrow played defensive tackle in college and with the Cardinals but switched to offensive tackle when he signed with the Florida Blacktips of the Fall Experimental Football League (FXFL). He will wear No. 68 for the Packers.