Week 8 of the college football season transformed itself into a prove-it Saturday as key contenders either established themselves or crumbled under the pressure. For No. 16 Indiana, it was dropping a hammer on Nebraska to thrust itself into the College Football Playoff picture.

There were highs and lows in Week 8 of the college football season. A look at the winners and losers, led by Alabama's loss to Tennessee.

The guys from ESPN's College GameDay reveal their final picks for the biggest games on the Week 8 college football schedule today.