The Federal League of Base Ball Clubs was an outlaw major league that only lasted for two seasons in 1914-1915. Despite its short existence, it had a significant impact on modern baseball, introducing elements like the commissioner system, competition for free agents, and baseball's antitrust exemption. The league's history from formation to dissolution, including its legal battles with established leagues, is detailed in this comprehensive study. The Federal League's influence on the game can still be seen today, with some of its innovations shaping the sport we know and love.