Marion Motley also had a 69-yard rushing and 33-yard receiving touchdowns in the game. While Motley did not factor in the Browns' championship game win against the Los Angeles Rams, he led the league in rushing with 810 yards in 1950 despite averaging fewer than 12 carries per game. He was a unanimous first-team All-Pro selection. By the 1951 season, Motley started to feel the physical effects of his hard-hitting, up-the-middle running style. He suffered a knee injury in training camp, and he was getting older; by the time the season was in full swing, he was 31. Motley only ran for
Hard rock Sabbath's lead into territory that was often "darker and more menacing", hard rock tended to continue to remain the more exuberant, good-time music. In the early 1970s the Rolling Stones developed their hard rock sound with "Exile on Main St." (1972). Initially receiving mixed reviews, according to critic Steve Erlewine it is now "generally regarded as the Rolling Stones' finest album". They continued to pursue the riff-heavy sound on albums including "It's Only Rock 'n' Roll" (1974) and "Black and Blue" (1976). Led Zeppelin began to mix elements of world and folk music into their hard rock from "Led Zeppelin