Steelers not counting on Mendenhall to return for start of season

Steelers running back Rashard Mendenhall tore his ACL on January 1, and that means the team isn’t counting on its leading rusher to return for the start of the 2012 season. Pittsburgh G.M. Kevin Colbert said today that there’s a good chance Mendenhall won’t be ready for the start of the season and will open…