Kansas City Chiefs to sign backup quarterback Blaine Gabbert
Who is the Chiefs' backup quarterback? Kansas City's QB depth chart behind Patrick Mahomes
Blaine Gabbert, Shane Buechele Real Close in Backup QB Competition, Andy Reid Says - Chiefs Digest
Source -- 49ers mull options after Trey Lance loses QB2 battle - ESPN
Patrick Mahomes Wins 2nd NFL MVP Award As Quarterback Guard Changes - The New York Times
Chiefs Backup QB Candidates Entering Impending Battle With Class, Friendship
Chiefs backup QB Chad Henne retires after 15 seasons
Mahomes 'OK' as Chiefs left sweating for Bengals battle
Chiefs signing veteran Blaine Gabbert as Patrick Mahomes' new backup, per report
Chiefs overcome a Mahomes injury to make it to the AFC title game