Penalty on Harbaugh may have started feud with Schwartz

Jim Harbaugh and Jim Schwartz’s altercation heard around the football world may have been inspired by a mistake Harbaugh made in the first quarter Sunday. After Brandon Pettigrew scored the game’s first touchdown, Harbaugh decided to challenge the play.  He was given a 15-yard unsportsmanlike conduct penalty for an illegal challenge.   (All scoring plays…