Mexican Baseball: The Liga Mexicana and the Pacific League

By 4Baseball Staff · November 5, 2026 · 10 min read

How baseball took root in Mexico: the summer Liga Mexicana de Beisbol, the winter Pacific League, the 1946 raid on major-league rosters, and the 152 Mexican-born players in the historical record.

Mexico plays baseball twice a year, in two separate leagues. The Liga Mexicana de Béisbol (LMB) is the summer league, with clubs in cities from Tijuana to Mérida, and it dates to 1925. The Liga Mexicana del Pacífico (LMP) is the winter league, played in the months after the American season ends, and it sends its champion to the Caribbean Series. Between them they give Mexico a professional baseball calendar that runs for most of the year, and the country has supplied the major leagues with some of the most memorable players of the past half-century.

This article tells the history in order: how the game arrived, how the Mexican League tried to raid major-league rosters in 1946, how Black stars from the Negro Leagues found work there, what the two leagues look like today, and how many Mexican-born players have reached the majors, using the historical record. It also looks at the best-known of them, Fernando Valenzuela, season by season. Where the historical record does not cover something, such as Mexican league statistics, the article says so.

Two leagues, two calendars

The simplest way to keep the two leagues straight is by season and role.

The leagues are separate organizations with separate champions. A good Mexican player may play in both in the same year, spending the summer in the LMB and the winter in the LMP. The winter champion is the one that represents Mexico at the Caribbean Series, which brings together winter champions from several Latin American countries. The Caribbean Series and winter ball tells that story.

How baseball reached Mexico

Baseball came to Mexico in the 19th century, carried by foreign workers, merchants and travelers, and it took hold first in the cities and along the northern and Pacific regions. I will not offer a precise date or a single origin story, because the early history was local and the records are thin. What is clear is that by the 1920s there was enough organized play for a national league.

The LMB was founded in 1925. The LMB is a summer league, played at the same time as the American season. Its clubs have included the Diablos Rojos del México in the capital, the Sultanes de Monterrey, the Leones de Yucatán in Mérida, the Pericos de Puebla and the Toros de Tijuana, among others. For decades the league operated alongside the American minor-league system, and major-league clubs bought contracts from it.

The Pacific coast league that became the LMP began in the 1940s and grew up in the agricultural and port cities of Sonora and Sinaloa. Teams there include the Naranjeros de Hermosillo, the Yaquis de Ciudad Obregón, the Tomateros de Culiacán, the Venados de Mazatlán, the Águilas de Mexicali and the Mayos de Navojoa. It is a winter league in the same sense as the Dominican and Venezuelan leagues: its season fills the months when the major leagues are idle, and it gives prospects and veterans a place to play.

1946: the Pasquel raid

The most famous episode in Mexican baseball's relationship with the majors came in 1946. Jorge Pasquel and his brothers, wealthy Mexican businessmen who had invested in the league, set out to build the LMB into a rival to the American majors and offered contracts to major leaguers well above what they were being paid. A number of players left for Mexico, among them Mickey Owen, Max Lanier and Sal Maglie.

The major leagues responded forcefully. Commissioner Happy Chandler banned the players who jumped, a suspension that lasted several years, and it was lifted later in the decade. The raid also led to a lawsuit by a player who had gone to Mexico, and some historians count it among the events that pushed the major leagues to improve how they treated their players. The Mexican League could not sustain the higher salaries, and most of the players returned.

It is worth keeping the episode in proportion. The raid did not create Mexican baseball, and it did not end it. What it did was put the league on the American sports pages for a season and demonstrate that the majors' control over players had limits. The league carried on and continued to build its own character.

Black stars in Mexico

Before the Pasquel raid, and for years afterward, Mexico was a destination for Black ballplayers who were barred from the American major leagues. Negro Leagues stars including Josh Gibson, Satchel Paige, Cool Papa Bell and Ray Dandridge played in Mexico during the 1930s and 1940s, where there was no color line. The historical record includes Negro Leagues statistics for 1920 to 1948, but only the portion played in the Negro Leagues, so the Mexican seasons of these players are not in it. If you are researching one of them, the Mexican league's own records and the historians who study the era are the sources.

The LMB today

The LMB of the present is a summer league with more than a dozen clubs, divided into northern and southern zones, a regular season followed by playoffs, and a championship series. The league's parks vary widely in character, and altitude is one of the biggest differences.

Altitude matters because the air is thinner higher up, so a batted ball meets less resistance. The same fly ball that is caught at sea level can leave the park in Mexico City. This is why the league has a reputation for high offense in some parks. The pattern is the same one that shapes play at high-altitude parks in the United States. For how a park's height and dimensions affect play, the ballpark guides give examples.

The Diablos Rojos play in the Estadio Alfredo Harp Helú in Mexico City, which opened in 2019. The Sultanes are in Monterrey, a baseball city with a long tradition, and the Mexican Baseball Hall of Fame is located there as well. The league's formal ties to Minor League Baseball have changed over time, so check the league's own site for its current arrangements with major-league clubs.

The Pacific League and the Caribbean Series

The LMP season runs in the autumn and winter, finishing with a final series in which one club is the champion. That club then represents Mexico in the Caribbean Series, an event that rotates among host countries and pits the winter champions of the Caribbean region against one another. Baseball in the Dominican Republic and baseball in Venezuela describe two of the other winter-ball nations whose champions meet Mexico's.

For major-league clubs, winter ball is a place to give prospects extra at-bats and innings, and for veterans it is a way to stay sharp. For Mexican players, it is also a home-country stage, because many LMP players are from the region where the league is based. The historical record shows how concentrated Mexican talent is in the northwest, as the next section explains.

Mexican-born players in the major leagues

The historical record lists 152 players born in Mexico who have appeared in the majors through the 2025 season. Birthplace is not the same as nationality or development path, since a few of those players were raised in the United States, but the data gives a good picture of where the talent comes from.

Four states account for 101 of the 152. Sonora, Sinaloa and Baja California, all on or near the Pacific coast and the border, account for 85, or 56 percent. This matches the geography of the LMP, whose clubs sit in the same region.

The timing of debuts is just as telling. By the decade of the first major-league game, the counts are: 1930s, 2; 1940s, 2; 1950s, 8; 1960s, 7; 1970s, 18; 1980s, 12; 1990s, 32; 2000s, 29; 2010s, 19; and 2020 to 2025, 23. The 1990s and 2000s were the peak, and the 2020s are on pace to be the biggest decade yet, with 23 debuts in six seasons.

The career leaders

Here are the leaders among Mexican-born players, through the 2025 season, as the historical record shows them.

Castilla, born in Oaxaca, hit .276 with 320 home runs and 1,105 runs batted in over a career in the majors, and in 1998 he hit .319 with 46 home runs and 144 RBI for Colorado. Bobby Avila, born in Veracruz, won the American League batting title in 1954 with a .341 average for Cleveland, one of the earliest high points for a Mexican-born player in the majors. Teddy Higuera, from Los Mochis, won 94 games for Milwaukee and went 20-11 with a 2.79 ERA in 1986. Soria, from Monclova, saved 229 games. Julio Urias, from Culiacan, is 60-25 in his career in the historical data.

Fernando Valenzuela and Fernandomania

No Mexican player has been as widely known as Valenzuela. He was born on November 1, 1960, in Navojoa, Sonora, in the region that supplies so many of the league's players, and he reached the majors with the Los Angeles Dodgers in 1980, pitching 17 2/3 scoreless innings across ten games that September. In 1981 he became a national sensation, a left-hander with an unusual delivery who won his first eight starts. The craze was known as Fernandomania.

His numbers in the historical data, by season, show how he built the reputation.

In 1981, at 20, he won both the Rookie of the Year Award and the Cy Young Award, a rare double for a rookie. He made six All-Star teams in a row, from 1981 through 1986. He also won a Gold Glove in 1986 and two Silver Slugger awards (1981 and 1983), a reminder that he was a good-hitting pitcher as well. His career record was 173-153 with a 3.54 earned run average, 113 complete games, 31 shutouts and 2,074 strikeouts in 453 games. He pitched for the Dodgers through 1990 and then for several other clubs, finishing in 1997.

Valenzuela died on October 22, 2024, in Los Angeles. His case for the Hall of Fame was never a simple one. He received 31 votes of 496 in 2003 and 19 of 506 in 2004 on the Baseball Writers' Association ballot, and he appeared on the Contemporary Baseball Era ballot for the class of 2026. His importance, though, was beyond the vote: he is widely credited with bringing a generation of Mexican fans to the major leagues.

Mexico in international tournaments

Mexico has a long record in international competition. A team from Monterrey won the Little League World Series in 1957 and again in 1958. At the 2023 World Baseball Classic, Mexico reached the semifinals before losing a close game to Japan. Mexico earned a place in the baseball tournament at the Tokyo Olympics, held in 2021, by finishing third at the 2019 Premier12, but it lost its first-round knockout game to Israel and went home without a medal. For wider context on the sport outside the United States, see baseball in Taiwan and the Korean Baseball Organization, two other leagues whose histories took different paths.

Common questions

Is the Mexican League a major league? It is a professional league with its own champions and a long history, but it is not a major league in the American sense, and its level of play is often compared with the upper minor leagues. Major-league clubs have bought players from it.

When is the season? The LMB plays in spring and summer. The LMP plays in autumn and winter.

Who is the best Mexican player in major-league history? The historical data cannot answer that, because it lacks wins above replacement, but Valenzuela leads Mexican-born players in pitching wins, and Castilla in home runs and hits.

Where can I find LMB and LMP statistics? On the leagues' own websites. The historical record covers the American and National Leagues and the Negro Leagues, not the Mexican leagues.

Did Negro Leagues players play in Mexico? Yes, many did, from the 1930s through the 1940s.

Where to go next

For the broader picture, the international baseball page and the world baseball topic page collect coverage from leagues around the world. For the stats behind any player named here, the players page lets you look up a career. And to see how another country's league fits into the international picture, the Caribbean Series and winter ball is the natural next read.