The Liga Mexicana de Fútbol Amateur Association, known as the Primera Fuerza, was an amateur football league founded in Mexico in 1902 with five clubs: "Orizaba A.C.", "Pachuca A.C.", "Reforma A.C.", "Mexico Cricket Club" and "British Club". Orizaba won the league in its inaugural year. A total of 37 teams took part in this league from 1902 until 1943, when football in Mexico went professional.