Lake Forest, IL ( - The Chicago Bears signed former Miami Dolphins running back Daniel Thomas to a one-year contract Thursday.

The Bears also signed safety Sherrod Martin to a one-year deal and waived kicker Jeremiah Detmer, quarterback Pat Devlin and tight end Jacob Maxwell.

Thomas, 27, started three games in four seasons for the Dolphins, who drafted him in the second round in 2011. He rushed for 1,480 yards and 10 touchdowns in 52 games for the team, including 168 yards and two scores in 12 games last season.

Martin spent last season with the Jacksonville Jaguars, posting 16 tackles and one interception in 13 games, including two starts. The 30-year-old safety was drafted by Carolina in the second round in 2009 and spent four years with the club. He has eight career interceptions in 72 games.