What sport did Jim Brown play in the 1960s?

Jim Brown played professional football in the 1960s as a running back for the Cleveland Browns in the NFL. He is widely regarded as one of the greatest players in the history of the sport, known for his exceptional speed, power, and agility. Brown led the league in rushing yards multiple times and was a three-time MVP during his career. He retired in 1965, leaving a lasting legacy in football.