In round 1 of the 1937 season, Brown made his rugby league debut in South Sydney's huge 63-0 win over University.
Playing in all 14 of the season's games, he experienced significant success, scoring 5 tries, including a 2-try performance in round 12 to help Souths win by 30 points against St.
[3] Brown played in Souths' semi-final match up against Eastern Suburbs, however his team lost 10-19.
Souths defeated St. George in the semi-finals and advanced to the club's 20th grand final appearance.
Brown played in the grand final at the Sydney Cricket Ground, though Souths lost to Balmain by 29 points.