20 teams participate.[2] The teams are divided in 2 groups of 10 teams each, called Zonas (zones): Zona Norte (North) and Zona Sur (South). The first 8 teams of each group qualify for the playoffs. The group playoffs have quarterfinals (best-of-5), semifinals (best-of-7) and finals (best-of-7).[3] The winner of each group series qualify for the championship series (best-of-7), named Campeón de Campeones (Champion of Champions).[3]
The first edition of the Copa Independencia, a tournament that took place in September, was played between the 8 best ranked teams at the end of the first part of the season.[7] The tournament was won by Lobos de la UAdeC, which defeated Lechugueros de León, 94–88 in the final game played at Gimnasio Hermanos Carreón in Aguascalientes.[8]
Quarterfinals
September 5: Lecugueros de León 103, Fuerza Regia de Monterrey 92
September 5: Halcones UV Xalapa 96, La Ola Roja del Distrito Federal 83
September 6: Santos Reales de San Luis 105, Cometas de Querétaro 101
September 6: Lobos de la UAdeC 129, Panteras de Aguascalientes 117 (2OT)
Semifinals
September 7: Lechugueros de León 102, Santos Reales de San Luis 89
September 7: Lobos de la UAdeC 122, Halcones UV Xalapa 116
The 2004 LNBP All-Star Game was played in San Luis Potosí at the Auditorio Miguel Barragán on August 31, 2004. The game was played between a team of Mexican players (Mexicanos) and a team of foreign players (Extranjeros). The Mexican won, 111–106.[9]