Mexican Pacific League
The Mexican Pacific League is an independent professional baseball league in Mexico. The ten-team league regular season runs during the winter from October to December and is followed by a playoff series in January to determine the league champion. The league's winner takes part in the Caribbean Series each year.
History
Founded in 1945, the league was previously known as the Liga Invernal de Sonora and Liga Sonora-Sinaloa before adopting its present name in 1970.Teams
As of 2019-20 season:| Team | City | State | Stadium | Capacity | Founded |
| Águilas de Mexicali | Mexicali | Baja California | B'Air | 19,000 | 1948 |
| Algodoneros de Guasave | Guasave | Sinaloa | Estadio Francisco Carranza Limón | 10,000 | 1965 |
| Cañeros de Los Mochis | Los Mochis | Sinaloa | Emilio Ibarra Almada | 11,000 | 1947 |
| Charros de Jalisco | Guadalajara | Jalisco | Panamericano | 16,500 | 2014 |
| Mayos de Navojoa | Navojoa | Sonora | Manuel "Ciclón" Echeverría | 11,500 | 1950 |
| Naranjeros de Hermosillo | Hermosillo | Sonora | Sonora | 16,000 | 1944 |
| Sultanes de Monterrey | Monterrey | Nuevo León | Estadio Mobil Super | 22,061 | 1939 |
| Tomateros de Culiacán | Culiacán | Sinaloa | Tomateros | 20,000 | 1965 |
| Venados de Mazatlán | Mazatlán | Sinaloa | Teodoro Mariscal | 16,000 | 1945 |
| Yaquis de Obregón | Ciudad Obregón | Sonora | Yaquis | 16,000 | 1947 |
Champions
| Season | Liga Invernal de Sonora Champion |
| 1958–59 | Ostioneros de Guaymas |
| 1959–60 | Ostioneros de Guaymas |
| 1960–61 | Naranjeros de Hermosillo |
| 1961–62 | Naranjeros de Hermosillo |
| 1962–63 | Ostioneros de Guaymas |
| 1963–64 | Naranjeros de Hermosillo |
| 1964–65 | Ostioneros de Guaymas |
| Season | Liga Mexicana del Pacífico Champion |
| 1970–71 | Naranjeros de Hermosillo |
| 1971–72 | Algodoneros de Guasave |
| 1972–73 | Yaquis de Obregón |
| 1973–74 | Venados de Mazatlán |
| 1974–75 | Naranjeros de Hermosillo |
| 1975–76 | Naranjeros de Hermosillo |
| 1976–77 | Venados de Mazatlán |
| 1977–78 | Tomateros de Culiacán |
| 1978–79 | Mayos de Navojoa |
| 1979–80 | Naranjeros de Hermosillo |
| 1980–81 | Yaquis de Obregón |
| 1981–82 | Naranjeros de Hermosillo |
| 1982–83 | Tomateros de Culiacán |
| 1983–84 | Cañeros de Los Mochis |
| 1984–85 | Tomateros de Culiacán |
| 1985–86 | Águilas de Mexicali |
| 1986–87 | Venados de Mazatlán |
| 1987–88 | Potros de Tijuana |
| 1988–89 | Águilas de Mexicali |
| 1989–90 | Naranjeros de Hermosillo |
| 1990–91 | Potros de Tijuana |
| 1991–92 | Naranjeros de Hermosillo |
| 1992–93 | Venados de Mazatlán |
| 1993–94 | Naranjeros de Hermosillo |
| 1994–95 | Naranjeros de Hermosillo |
| 1995–96 | Tomateros de Culiacán |
| 1996–97 | Tomateros de Culiacán |
| 1997–98 | Venados de Mazatlán |
| 1998–99 | Águilas de Mexicali |
| 1999–2000 | Mayos de Navojoa |
| 2000–01 | Naranjeros de Hermosillo |
| 2001–02 | Tomateros de Culiacán |
| 2002–03 | Cañeros de Los Mochis |
| 2003–04 | Tomateros de Culiacán |
| 2004–05 | Venados de Mazatlán |
| 2005–06 | Venados de Mazatlán |
| 2006–07 | Naranjeros de Hermosillo |
| 2007–08 | Yaquis de Obregón |
| 2008–09 | Venados de Mazatlán |
| 2009–10 | Naranjeros de Hermosillo |
| 2010–11 | Yaquis de Obregón |
| 2011–12 | Yaquis de Obregón |
| 2012–13 | Yaquis de Obregón |
| 2013–14 | Naranjeros de Hermosillo |
| 2014–15 | Tomateros de Culiacán |
| 2015–16 | Venados de Mazatlán |
| 2016–17 | Águilas de Mexicali |
| 2017–18 | Tomateros de Culiacán |
| 2018–19 | Charros de Jalisco |
| 2019–20 | Tomateros de Culiacán |
Teams in gold Caribbean Series champions