NCAA Football: Notre Dame at Louisville

Sep 2, 2019; Louisville, KY, USA; Notre Dame Fighting Irish quarterback Ian Book (12) runs through the tunnel onto the field before the game against the Louisville Cardinals at Cardinal Stadium. Mandatory Credit: Brian Spurlock-USA TODAY Sports

Sep 2, 2019; Louisville, KY, USA; Notre Dame Fighting Irish quarterback Ian Book (12) runs through the tunnel onto the field before the game against the Louisville Cardinals at Cardinal Stadium.