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