Vikings QB Sam Bradford was an all-everything athlete
Sam Bradford Biography - ESPN
NFL Draft: First Round Quarterbacks Are Usually Bad
Sam Bradford benched: Hobbled Vikings quarterback replaced by Case Keenum - Bleeding Green Nation
Kirk Cousins Is the NFL's Greatest Gambler - The Ringer
One year later, was the Sam Bradford trade worth it for the Vikings?
From third string to north star: the unlikely rise of the Vikings' Case Keenum, NFL
NFL draft: Should teams wait for Tua Tagovailoa, Justin Herbert? - Sports Illustrated
Minnesota Vikings trade for Philadelphia Eagles QB Sam Bradford - ESPN