The Jaguars signed CB Antwaun Molden, WR Quan Cosby, RB Jordan Todman and WR Toney Clemons.
They placed RB Jalen Parmele (groin) and CB William Middleton (concussion) on injured reserve and released WR Micheal Spurlock and S Chris Harris.
Molden, a fifth-year pro, played in all 16 games with two starts for the Patriots last season, making 36 tackles and two interceptions. Cosby appeared in 10 games for the Broncos last season.
Todman was signed off the Vikings’ practice squad. San Diego picked him in the sixth round of the 2011 draft. Clemons was a seventh-round pick by the Steelers who was signed off Pittsburgh’s practice squad.
Parmele had 24 carries for 80 yards in Week 11 and eight carries for 45 yards in Week 12 before getting hurt. Middleton appeared in 10 games with three starts this season and made 20 tackles.
Spurlock played in six games for Jacksonville after starting the season with the Chargers. He had 14 catches for 121 yards and one touchdown. Harris played in five games for the Jags and made two tackles.