Pro Football: New Day for Black Rock

Dressed in Army fatigues and sporting a ten-day growth of beard, he looked more like a Cuban revolutionary than the best running back in pro football. He sounded pretty revolutionary too. "I want," said James Nathaniel Brown, 30, "to have a hand in the struggle that is going on in our country." Thus Jim Brown (TIME cover, Nov. 26), fullback of the National Football League's Cleveland Browns and the biggest ground gainer (12,312 yds. over nine seasons) in the history of pro football, announced his retirement from the sport that made him...