Mariners announce roster for 2026 Spring Breakout game

The Seattle Mariners have one of the top farm systems in baseball. And that talent will be on full display Friday, when the Mariners’ top prospects square off against the Milwaukee Brewers’ top prospects as part of MLB’s third annual Spring Breakout games.

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The Mariners’ 27-man Spring Breakout roster, which was announced Wednesday morning, includes all six of their MLB Pipeline Top 100 prospects:

• SS Colt Emerson (No. 9 in Pipeline’s Top 100)
• LHP Kade Anderson (No. 21)
• RHP Ryan Sloan (No. 33)
• OF Lazaro Montes (No. 43)
• 2B Michael Arroyo (No. 67)
• OF Jonny Farmelo (No. 78)

It also includes each of the other four prospects who are ranked in the Mariners’ top 10: shortstop Felnin Celesten, catcher Luke Stevenson, shortstop Nick Becker and outfielder Yorger Bautista.

According to MLB.com, the Mariners are No. 1 in their rankings of the “most loaded” Spring Breakout rosters. The Brewers are ranked No. 3.

Get a sneak peek at the future 😎

Announcing the roster for our 2026 #SpringBreakout game, going down this Friday against the Brewers. pic.twitter.com/DwnonZqfNJ

— Mariners Player Development (@MsPlayerDev) March 18, 2026

The MLB’s Spring Breakout games, which debuted in 2024, serve as a showcase for the league’s top prospects. Each organization fields a team of its top prospects to face a team of top prospects from another organization in an exhibition game.

First pitch on Friday is scheduled for 2:10 p.m. at the Brewers’ American Family Fields of Phoenix.

More on the Seattle Mariners

• Mariners’ Luke Raley showing he’s worth keeping an eye on
• ESPN’s Kurkjian: Mariners a ‘better team’ than last year
• How Mariners pitcher Bryce Miller’s latest bullpen went
• Heating Up: Top prospect Colt Emerson hits second HR of spring
• A former Mariners blogfather now helps shape their roster

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