Baltimore Ravens running back J.K. Dobbins is undergoing an MRI for a left knee injury sustained Saturday night, but the expectation is that the injury will end his season, sources told ESPN’s Adam Schefter.Baltimore Ravens running back J.K. Dobbins is undergoing an MRI for a left knee injury sustained Saturday night, but the expectation is that the injury will end his season, sources told ESPN’s Adam Schefter.Read Morewww.espn.com – NFL