Seattle Mariners: 9 New International Signings for Minor League Teams (2026)

Bold statement: The Mariners are expanding their international pipeline, signing nine more players to broaden their minor league depth and future potential. And here’s the full picture you need to know.

The Seattle Mariners announced on Friday that they have added nine more international signees to their minor league rosters, bringing their total for the year to 14 signed players since January. This move is part of Major League Baseball’s international signing period, which runs from January 15 to December 15.

Notably, seven of the new signees hail from Venezuela, while two come from Mexico, underscoring the team’s emphasis on Latin American talent. Seattle’s Senior Director of International Scouting, Frankie Thon Jr., commented, “We’re glad to be adding this level of talent to our minor league system.”

The breakdown of the nine players includes:
- Daniel Alana, C, Venezuela
- Santiago Pereira, C, Venezuela
- Edgardo Toro, INF/OF, Venezuela
- Fabian Gonzalez, INF/OF, Venezuela
- Cristian Alvarado, RHP, Mexico
- German Arvayo, RHP, Mexico
- Gabriel Hidalgo, RHP, Venezuela
- Carlos Martinez, RHP, Venezuela
- Adan Vallenilla, RHP, Venezuela

In addition, five more players from the Dominican Republic were added in January; they primarily play outfield, with one listed as an infielder, further expanding the international footprint of Seattle’s system.

Context worth noting: Major League Baseball’s international signing period is a year-long window, and contributions from international amateurs have historically represented a substantial portion of players entering the league from abroad. While the exact percentage can vary by year, reports indicate roughly 30% of MLB players signed as international amateur free agents through official channels.

Bottom line: These signings reflect the Mariners’ ongoing strategy to diversify their talent pool, cultivate depth across multiple positions, and develop high-upside young players who could mature into major league contributors in the coming years.

What do you think about this international strategy? Do you prefer teams investing heavily in international scouting or focusing more on domestic development? Share your thoughts in the comments.

Seattle Mariners: 9 New International Signings for Minor League Teams (2026)
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