USC goes to San Francisco, without Joe McKnight in its hairUSC goes to San Francisco, without Joe McKnight in its hair

USC thought it had everything for its postseason trip to San Francisco. But this Christmas, leading rusher Joe McKnight is ... home alone: Joe McKnight#39;s chances of playing for USC in the Emerald Bowl appeared to dim Monday when the junior tailback did not accompany the Trojans to the Bay Area for the start of practices and activities leading into Saturday#39;s game against Boston College. [...] Upon arrival in San Francisco, however, Carroll said in statement posted on the school#39;s...