Liga Norte de México
The Mexican Northern League is a professional baseball league located in the Northwest of Mexico in the states of Sonora, Baja California, and Baja California Sur. Formerly known as Liga Norte de Sonora from 1968–1969, it acts as a feeder league for the Mexican League in the summer.
Teams
| Team | City | Stadium | Capacity | Founded |
| Algodoneros de San Luis | San Luis Río Colorado, Sonora | Andrés Mena Montijo | 2,500 | 1945 |
| Delfines de La Paz | La Paz, Baja California Sur | Arturo C. Nahl | 3,800 | 2019 |
| Freseros de San Quintín | San Quintín, Baja California | Dr. Miguel Valdez Salazar | 2,200 | 2013 |
| Marineros de Ensenada | Ensenada, Baja California | Deportivo Antonio Palacios | 5,000 | 2010 |
| Rojos de Caborca | Caborca, Sonora | Héroes de Caborca | 5,000 | 1948 |