Vikings QB situation: What's next for Case Keenum, Teddy Bridgewater?
Minnesota Vikings QB Sam Bradford to serve as backup to Case Keenum - ESPN
Vikings Sign QB Kyle Sloter
Goodbye Case Keenum (Denver), Sam Bradford (Arizona), Teddy Bridgewater (N.Y. Jets)
Sam Bradford is expected to sign with the Arizona Cardinals – The Denver Post
Source: Vikings signing QB Case Keenum as Sam Bradford's backup
Will Andy Dalton or Case Keenum back up Bryce Young?
Case Keenum flops in Bills debut but remains 'ideal backup' for Josh Allen - The Athletic
Vikings sign Case Keenum as backup quarterback