Also:
Peyton Hillis, Marion Barber, Mike Turner, Marshawn Lynch, Adrian Peterson, LaGarette Blount, Toby Gerhart, Steven Jackson, Brandon Jacobs, Jerome Bettis, Mike Alstott, Frank Gore, Mike Tolbert, Alfred Morris.
But hey, there were like 2 backs that ran people over sometimes back in the day. Modern RBs must all be physically inferior