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