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