Espoo Expos is represented in both of Finland's baseball leagues, with two teams competing at each level.
Superbaseball League
Finland's top-tier baseball competition, operated under the Finnish Baseball and Softball Federation (SBSL). The league season runs from May through September, culminating in a playoff series and finals. Selected matches are streamed live on Ruutu.
Two club teams compete in the Superbaseball League: Espoo Expos (the representative team) and Lintuvaara XL5.
Fat Lizard League
Finland's second-tier baseball league, also under the SBSL. The Fat Lizard League follows a similar season schedule and offers competitive baseball at a level accessible to a wider range of players.
Two club teams compete in the Fat Lizard League: Espoon Betoni and Espoon Teräs.