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 heavy metal sound. The same month, Steppenwolf released its self-titled debut album, including "Born to Be Wild", which contained the first lyrical reference to heavy metal and helped popularise the style when it was used in the film "Easy Rider" (1969). Iron Butterfly's "In-A-Gadda-Da-Vida" (1968), with its 17-minute-long title track, using organs and with a lengthy drum solo, also prefigured later elements of the sound. By the end of the decade a distinct genre of hard rock was emerging with bands like Led Zeppelin, who mixed the music of early rock bands with a more hard-edged form of blues rock