Since the public tends to like big favorites, it can be a risky play for bettors to back them consistently because of inflated spreads. There has been no such problem this season. The BALLS Index -- using data generated by Sal Selvaggio of MadduxSports.com -- measures which college football teams have been the largest favorites this season. Surprisingly, these teams have covered this season at an incredibly efficient rate.
To see the fifth BALLS Index of the season, plus which teams had the biggest jumps, you must be an ESPN Insider.