Colts DT Eric Foster underwent surgery Tuesday to repair a dislocated right ankle. He'll be placed on injured reserve, ending his season after suffering the injury in Monday night's game. Foster will stay in Tampa until Thursday, flying home on owner Jim Irsay's private plane. The Colts will be thin up front with Fili Moala (ankle) and Drake Nevis (back) also battling injuries. A free agent in 2012, Foster's Colts future is up in the air.