Former Duke quarterback Riley Leonard has been instrumental to the success for Notre Dame football, and is a huge reason they currently sit with a 14-1 overall record and will compete in the national championship in just over a week.

Notre Dame quarterback Riley Leonard (13) throws oranges to his teammates after winning the Orange Bowl College Football Playoff semifinal game against Penn State, Thursday in Miami Gardens, Fla. Leonard grew up in Fairhope. (AP Photo/Lynne Sladky) AP

Leonard would be learning behind Josh Allen, but the quarterback may face an uphill battle to win the backup gig. The Bills current QB2 Mitch Trubisky's two-year, $5.2 million contract runs through the 2025 season and would likely be the favorite to retain the backup job over Leonard.