After Vasco da Gama's title in 1923, the larger clubs within LMDT attempted to pressure Vasco da Gama to exclude twelve black players from their team,[1] accusing them of being professionals.
When Vasco refused and LMDT took Vasco's side, these clubs split from the league and founded AMEA (Associação Metropolitana de Esportes Atléticos, or Metropolitan Athletic Sports Association); Most of the clubs that had been participating in the Série A joined the league, with the addition of SC Brasil, from Série B, and the recently-promoted Hellênico.
[2] The edition of the Campeonato Carioca organized by AMEA kicked off on May 4, 1924 and ended on October 19, 1924.
[3][5] The tournament would be disputed in a double round-robin format, with the team with the most points winning the title.
[3][5] The edition of the Campeonato Carioca organized by LMDT (Liga Metropolitana de Desportos Terrestres, or Metropolitan Land Sports League) kicked off on May 25, 1924 and ended on November 30, 1924.