College football season kicks off with Marvin Harrison Jr. leading Heisman odds

College football season starts this weekend with seven Week 0 games.
USC quarterback Caleb Williams enters as defending Heisman winner and favorite to win again.
Ohio State receiver Marvin Harrison Jr. leads betting for non-quarterbacks to win Heisman.
Notre Dame favored over Navy and USC heavily favored over San Jose State in highlighted matchups.
Expert predictions favor Ohio, Vanderbilt, Jacksonville State, and Louisiana Tech in their respective games.