John Brown used to play in the position of Forward. He had a height of 6 feet 7 inches and weight of 220 lbs. From the 1973-74 season to the 1977-78 season, he played for Atlanta Hawks. During the 1978-79 season, he was with Chicago Bulls and during the 1979-80 season, he was with Utah Jazz and Atlanta Hawks.
Brown was a student of Dixon High School in Dixon, Missouri. After passing out, he took admission in the University of Missouri. During the 1973 NBA draft, he was selected in the 1st round by Atlanta Hawks.
Brown participated in the playoffs for 2 seasons in which he played in 7 games and received 64 playing minutes. In these he scored 10 points, 10 rebounds, 1 assist and 1 steal. His field goal percentage was 0.308, free throw percentage was 1 and 3-point field goal percentage was nil.
Brown played in 486 games in the NBA wherein he received 10108 playing minutes. He gathered 3614 points, 2126 rebounds, 703 assists and 1449 personal fouls. There were 2979 field goal attempts out of which there were 1348 field goals resulting in a field goal percentage of 0.453. The number of free throw attempts was 1172 and the number of free throws was 918 and the corresponding free throw percentage was 0.783. He could not make even a single 3-point field goal attempt.