There were blows thrown , several penalties for both teams , and two banged - up starting tailbacks . In fact , Steelers rookie tailback Rashard Mendenhall ( fractured shoulder ) is now out for the season after taking a hard shot in the third quarter . Ravens starter Willis McGahee ( unspecified ) was injured in the second quarter . He returned in the second half but played sparingly and was a non - factor .

Question: What caused the penalties for the teams ?
Answer: The players got into fist fights .The players got into a discussion .None of the above choices .The players got into the end zone .