Dominican Summer League

The Dominican Summer League is a Minor League Baseball league that operates in the Dominican Republic at the Rookie level, which is the lowest grade below Major League Baseball. The league was founded in 1985. Teams are owned and operated by MLB franchises.
The league's season typically begins in early June, with each team playing a 72-game schedule, and ends in mid-August. Since the demise of the Venezuelan Summer League after the 2015 season, it is the only Latin America-based rookie league. The start of the 2020 season was delayed due to the COVID-19 pandemic, with the season being cancelled entirely on 30 June. The start of the 2021 season was delayed until 12 July, with the season ultimately concluding on 2 October with no postseason.

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Champions

League champions have been determined by different means since the Dominican Summer League's formation in 1985. As of 2025, 16 teams—8 division winners and 8 wild card teams—qualify for the playoffs. Teams are divided into four pools of four teams each and participate in a round-robin competition called the DSL Cup. The four teams with the best record in each pool advance to the championship bracket of two rounds. All postseason series are a best-of-three format.