ARLINGTON, TEXAS - JANUARY 01: Ian Book #12 of the Notre Dame Fighting Irish and Drew Pyne #10 warms up before the College Football Playoff Semifinal at the Rose Bowl football game against the Alabama Crimson Tide at AT&T Stadium on January 01, 2021 in Arlington, Texas. The Alabama Crimson Tide defeated the Notre Dame Fighting Irish 31-14. (Photo by Alika Jenner/Getty Images)
The Notre Dame football team will move on from Ian Book in 2021, and here is the quarterback on the roster who has the most to prove.