Las Vegas running back Ashton Jeanty, who had to be helped off the practice field Sunday, is believed to have sprained his ankle, sources told ESPN's Adam Schefter and NFL Network's Ian Rapoport, and the Raiders still are unsure how long he will be out.
HENDERSON, Nev. -- Las Vegas Raiders running back Ashton Jeanty, who had to be helped off the practice field Sunday, is believed to have sprained his ankle, sources told ESPN's Adam Schefter and NFL … [+1544 chars]