NFL Primary LogoNFL Alternate LogoNFL Wordmark LogoNFL Team History Who is the greatest running back in the NFL of All-time? Thurman Thomas Larry Csonka Eric Dickerson Earl Campbell Adrian Peterson Curtis Martin Gale Sayers Walter Payton Emmitt Smith Franco Harris Barry Sanders Jerome Bettis Jim Brown Marcus Allen Jim Taylor Edgerrin James Tony Dorsett LaDainian Tomlinson John Riggins Marshall Faulk …