The Bears placed RB Michael Bush on injured reserve with a rib injury and re-signed RB Kahlil Bell.
Bush was active but did not play in the Week 15 loss to the Packers. In his 13 games (one start) this season, Bush had 114 carries for 411 yards and five rushing touchdowns.
Bell played in three games for the Jets this season and two games for Chicago. He has 12 carries for 32 yards this year. Last season, Bell had 79 carries for 337 yards and 19 catches for 133 yards for Chicago.