Federación de Béisbol Aficionado de Puerto Rico
Béisbol Doble A, governed by the Federación de Béisbol Aficionado de Puerto Rico, is a Puerto Rican amateur spring and summer baseball league, founded in 1940 and based in San Juan. The season normally starts in mid to late February and ends with the Carnaval de Campeones final in September. They play a weekend schedule, and their all-star game is held soon after the regular season and before the playoffs. The Mulos del Valenciano de Juncos are the 2025 National Champions, their 11th title, and remain the franchise with the most championships in the history of the FBAPR.
League structure
The league is composed of 45 teams grouped into 8 divisions: 3 with 5 teams, and 5 with 6 teams.Actual 45 Teams
Central Division (6 Teams)
- Polluelos de Aibonito
- Proceres de Barranquitas
- Criollos de Caguas
- Toritos de Cayey
- Bravos de Cidra
- Pescadores del Plata de Comerio
East Division (6 Teams)
- Cariduros de Fajardo
- Halcones de Gurabo
- Mulos del Valenciano de Juncos
- Artesanos de Las Piedras
- Cocoteros de Loiza
- Guerrilleros de Rio Grande
Metropolitan Division (6 Teams)
- Gigantes de Carolina
- Lancheros de Cataño
- Guardianes de Dorado
- Mets de Guaynabo
- Maceteros de Vega Alta
- Melao Melao de Vega Baja
North Division (6 Teams)
- Industriales de Barceloneta
- Arenosos de Camuy
- Titanes de Florida
- Tigres de Hatillo
- Atenienses de Manatí
- Montañeses de Utuado
Northwest Division (5 Teams)
- Navegantes de Aguada
- Tiburones de Aguadilla
- Fundadores de Añasco
- Libertadores de Hormigueros
- Patrulleros de San Sebastian
South Division (6 Teams)
- Maratonistas de Coamo
- Brujos de Guayama
- Poetas de Juana Diaz
- Cachorros de Ponce
- Peces Voladores de Salinas
- Potros de Santa Isabel
Southeast Division (5 Teams)
- Grises de Humacao
- Jueyeros de Maunabo
- Leones de Patillas
- Samaritanos de San Lorenzo
- Azucareros de Yabucoa
Southwest Division (5 Teams)
- Piratas de Cabo Rojo
- Cardenales de Lajas
- Petroleros de Peñuelas
- Petateros de Sabana Grande
- Cafeteros de Yauco
Regular-season format
During the regular season, normally between February and May, each team plays 20 games for a total of 450 scheduled games. In extra innings, the international runners-on-first and second base rule will apply to the offensive team. Beginning with the 2024 season, interdivisional games are scheduled as regular games.Playoffs
Divisional semifinals and finals
The first four teams in each division will advance to the first stage of the postseason. It will be played as follows: section semifinal, section final. The champion of each division will advance to the Carnival of Champions. Usually, these two series are played between May and June.Carnival of Champions
To the second stage of the post-season, the 8 divisional champions advance to the Carnival of Champions. Each team will play 7 games, one with each other in a round robin series. The first 4 places advance to the National Semifinal and the two winners advance to the National Final to decide the National Champion.Championships by franchise (all-time)
Juncos is the team with the most league championships with 11, including a back-to-back and a three-peat. Cidra follows with 9 championships, including 3 back-to backs. Next are Juana Díaz and San Lorenzo with 6 championships each.Other teams with back-to-back championships include Manati and Vega Alta. San Lorenzo is still the only team to achieve a four-peat.
| Team | Titles | Seasons |
| Mulos del Valenciano de Juncos | 11 | 1947, 1948, 1952, 1964, 1983, 1985, 1989, 1990, 1991, 2019, 2025 |
| Bravos de Cidra | 9 | 1977, 1998, 2005, 2006, 2008, 2009, 2012, 2013, 2016 |
| Poetas de Juana Díaz | 6 | 1950, 1953, 1956, 1976, 1978, 1988 |
| Samaritanos de San Lorenzo | 6 | 1975, 1997, 1999, 2000, 2001, 2002 |
| Atenienses de Manatí | 4 | 1971, 1972, 1979, 1984 |
| Azucareros de Yabucoa | 4 | 1980, 1994, 1995, 1996 |
| Montañeses de Utuado | 4 | 1941, 1970, 2007, 2014 |
| Toritos de Cayey | 4 | 1945, 1986, 2018, 2022 |
| Cariduros de Fajardo | 3 | 1954, 2004, 2010 |
| Maceteros de Vega Alta | 3 | 1960, 1962, 1963 |
| Sultanes de Mayagüez | 3 | 1946, 1949, 2017 |
| Cachorros de Ponce | 2 | 1944, 1957 |
| Grises de Humacao | 2 | 1951, 2021 |
| Guerrilleros de Río Grande | 2 | 1961, 1968 |
| Melao Melao de Vega Baja | 2 | 1959, 1973 |
| Petateros de Sabana Grande | 2 | 1974, 1981 |
| Titanes de Florida | 2 | 1982, 2024 |
| Arenosos de Camuy | 1 | 2023 |
| Artesanos de Las Piedras | 1 | 2015 |
| Bayamon | 1 | 1967 |
| Brujos de Guayama | 1 | 1987 |
| Calvert | 1 | 1942 |
| Jueyeros de Maunabo | 1 | 2011 |
| Maratonistas de Coamo | 1 | 1958 |
| Naval Air Station | 1 | 1943 |
| Patrulleros de San Sebastián | 1 | 1965 |
| Pescadores del Plata de Comerío | 1 | 2003 |
| Piratas Cofresi de Ponce | 1 | 1940 |
| Polluelos de Aibonito | 1 | 1966 |
| Potros de Santa Isabel | 1 | 1992 |
| Proceres de Barranquitas | 1 | 1993 |
| Santurce | 1 | 1955 |
| Tiburones de Aguadilla | 1 | 1969 |