20 teams participate. The teams are divided in two groups of 10 teams each, called Zonas (zones): Zona Norte (North) and Zona Sur (South). The first 8 teams in each group qualify for the playoffs. The group playoffs have quarterfinals (best-of-5), semifinals (best-of-7) and finals (best-of-7). The winner of each group series qualify for the championship series (best-of-7), named Campeón de Campeones (Champion of Champions).
The playoffs were played between October 17 and November 21, 2005.[3] The team seed is indicated after the team name. The winning team is bolded.[4]
Zone quarterfinals
Zona Norte
Lobos de la UAdeC (1) vs. Correcaminos UAT Matamoros (8)
Santos Reales de San Luis (2) vs. Correcaminos UAT Victoria (7)
Fuerza Regia de Monterrey (3) vs. Correcaminos UAT Reynosa (6)
Soles de Mexicali (4) vs. Lobos Grises de la UAD (5)
Zona Sur
Halcones UV Xalapa (1) vs. Barreteros de Zacatecas (8)
Halcones UV Veracruz (2) vs. Gambusinos de Fresnillo (7)
Lechugueros de León (3) vs. Panteras de Aguascalientes (6)
La Ola Roja del Distrito Federal (4) vs. Tecos de la UAG (5)
Zone semifinals
Zona Norte
Lobos de la UAdeC (1) vs. Soles de Mexicali (4)
Fuerza Regia de Monterrey (3) vs. Santos Reales de San Luis (2)
Zona Sur
Halcones UV Xalapa (1) vs. Tecos de la UAG (5)
Lechugueros de León (3) vs. Halcones UV Veracruz (2)
Zone finals
Zona Norte
Lobos de la UAdeC (1) vs. Fuerza Regia de Monterrey (3)
Zona Sur
Halcones UV Xalapa (1) vs. Lechugueros de León (3)
Championship finals
November 16: Halcones UV Xalapa 115, Lobos de la UAdeC 103
November 17: Lobos de la UAdeC 90, Halcones UV Xalapa 88
November 19: Halcones UV Xalapa 105, Lobos de la UAdeC 99
November 20: Halcones UV Xalapa 110, Lobos de la UAdeC 104
November 21: Halcones UV Xalapa 107, Lobos de la UAdeC 92[3]
Halcones UV Xalapa defeats Lobos de la UAdeC, 4–1.[5]
Copa Independencia
The second edition of the Copa Independencia took place in September in Saltillo, and was played between the 8 best ranked teams at the end of the first part of the season[6] (the first 4 ranked of each Zona).[7] The competition was won by Lobos de la UAdeC (their second title), which defeated Correcaminos UAT Victoria in the final game, 101–83.[8]
Quarterfinals
September 12: Galgos de Tijuana 109, Santos Reales de San Luis 96
September 12: Correcaminos UAT Victoria 86, Halcones UV Veracruz 69
September 12: Tecos de la UAG 93, Halcones UV Xalapa 91
September 12: Lobos de la UAdeC 135, La Ola Roja del Distrito Federal 85
Semifinals
September 13: Correcaminos UAT Victoria 80, Tecos de la UAG 73
September 13: Lobos de la UAdeC 119, Galgos de Tijuana 97
Final
September 14: Lobos de la UAdeC 101, Correcaminos UAT Victoria 83[3]
All-Star Game
The 2005 LNBP All-Star Game was played in Veracruz at the Auditorio Benito Juárez on September 15, 2005.[9] The game was played between a team of Mexican players (Mexicanos) and a team of foreign players (Extranjeros). The Foreigners won, 105–96.[10]