By Joe Davidson
Some Pac-10 story lines to ponder:
1. Can Best be best?
Really now, can a Pac-10 athlete take home the Heisman Trophy if he isn't wearing USC colors? Maybe, if he has Best on the back of his jersey. Cal's explosive tailback, Jahvid Best, is being touted for the game's greatest honor, though the last Heisman not from USC from this conference was Jim Plunkett of Stanford in 1970.