Senior offensive tackle Nate Richman, who’s missed five straight games with back problems, has been cleared to play tomorrow and will back up John Wetzel on the left side. Tailbacks Andre Williams (ankle) and Tahj Kimble (concussion) will be available. Strong safety Spenser Rositano (leg) and fullback Danny Williams (shoulder) are questionable. Linebacker Kevin Pierre-Louis (ankle) and cornerback Jimmy Noel (ankle) are out. Sean Duggan will start in Pierre-Louis’ place for the third time.Boston College Releases Injury Report.