The Bears placed running back Michael Bush on injured reserve, ending his season, and signed Kahlil Bell, the team announced. The Sun-Times reported earlier today the moves were expected. Bush injured his ribs Dec. 9 against the Minnesota Vikings, and he was in uniform Sunday against the Green Bay Packers but didn’t play. “We were only going to use him if we had to,†Bears coach Lovie Smith said. “Still wasn’t quite ready to go.†Source: Chicago Sun-Times