... many true rivals does Notre Dame have?

What is the definition of a rival?

These are the kind of questions that can be debated for hours on end and will elicit powerful opinions from Notre Dame and college football fans all over the world.

The Notre Dame Rivalry Index is not meant to answer any of these questions, but is merely a tool through which fans can appreciate Notre Dame’s rivalries and opponents while also gaining some understanding about the rich history of Fighting Irish football.

Since Notre Dame has played well over 100 teams throughout its history, not every program will be dealt with in this piece. The minimum requirement will be programs that have faced the Irish at least five times, with more att...

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