 The Birmingham A's/Barons have won 7 Southern League titles, the most among all teams in the league, followed by the Jacksonville Suns (6) and the Montgomery Rebels (5).Among active franchises, the most championship wins belong to Birmingham (7), followed by Jacksonville (6) and the West Tenn Diamond Jaxx/Jackson Generals (4).The original Southern League was formed prior to the 1885 season as an eight-team circuit playing in the Southern United States.