Free-agent quarterback Robert Griffin III was among those calling for Sam Bradford to exit Monday night's game between the Minnesota Vikings and Chicago Bears.
Griffin had seen enough after Bradford started the game 5-of-11 for 36 passing and was sacked four times:
Case Keenum replaced Bradford with 25 seconds left in the first half.
Bradford started despite suffering from a knee injury that had kept him out since Week 1. Griffin wasn't the only person who thought the knee remained an issue for Bradford:
Few players know the dangers of playing through an injury better than RG3.