The Broncos finished the 2020 season 5–2 overall, and 5–0 in conference play, claiming a championship game berth in the Mountain West Championship Game, where they lost to San Jose State 34–20. The Broncos announced on December 20th that they would forego playing in a bowl game, ending a streak of 18 consecutive bowl games.[1]
Boise State head coach Bryan Harsin resigned on December 22nd to accept the head coaching position at Auburn, taking most of his assistant coaches.[2] The university named Oregon defensive coordinator and former Boise State linebacker and assistant coach Andy Avalos the program's next head coach on January 9, 2021.[3]