... literally define a team's season. Every so often, those games can define the entire season in college football.

Games like Ohio State-Texas and Notre Dame-USC in '05 served as a de facto semifinal for the national championship game.

In 2010, it appears that there will be many season-changing games for quite a few teams. With the abundance of inter-conference marquee matchups this season, in addition to the already impressive slate of conference rivalries, the potential for BCS turmoil this upcoming season is off the charts.

Here are just a few of the matchups that will define the 2010 college football season for many of the top national programs.

Bleacher Report - College Football