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