Who is Ashton Jeanty? Raiders' running back leaves Sunday's practice after scary injury - What we know so far

Las Vegas Raiders running back Ashton Jeanty sustained an apparent right leg injury during practice. He went down awkwardly while diving for an underthrown pass from quarterback Kirk Cousins. Trainers assisted Jeanty off the field, and he could not place weight on his leg. Rookie running back Mike Washington Jr. stepped in to handle first-team snaps after Jeanty's departure.