The college football season opened with marquee matchups in NFL stadiums, giving a bowl-game feel to regular-season games.

In week two, it's back to campus, where traditional venues make the games feel even bigger and crowds are anything but neutral.

Four games involving eight ranked teams, with each Power Five conference and Notre Dame represented, have the potential to set an early season course for the College Football Playoff race.

Oklahoma and Ohio State will play for the fourth time, and the first at the Horseshoe since the Sooners' only visit in 1977. That game, like this one between th...