Do Super Bowl Hopefuls Still Need Star Quarterbacks? - The Atlantic
Quarterback Thunderdome 2018: What should the Vikings do with Case Keenum? - Daily Norseman
2018 NFL free agency: Vikings lose Case Keenum to Broncos, per report - Acme Packing Company
What Tom Brady And Case Keenum Do Better Than Anyone Else
Solving the Quarterback Dilemma for the 2018 Minnesota Vikings – SportsbyFry
Free-Agent Setup: Vikings vexed by quarterback quandary
Minnesota Vikings quarterback Case Keenum (7) walks off the field after going three and out in the third quarter of the NFC Championship at Lincoln Financial Field in Philadelphia on January 21
Eagles vs. Vikings: Nick Foles and Case Keenum's Long, Intertwined Road to the 2018 NFC Championship Game
Minnesota Vikings face possibility of Case Keenum being QB of the future
NFL: Vikings' Keenum has a history of overcoming doubters - Duluth News Tribune