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Lazaro Montes homers in MLB debut

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The gist

Lazaro Montes homered in his MLB debut at Fenway Park, going 2-for-3 with a walk and.
The 21-year-old Mariners prospect's 38 minor-league homers signal a power boost for a team.

Background

Lazaro Montes, a 21-year-old Cuban outfielder and the Mariners' No. 5 prospect, was promoted when rosters expanded on September 1, 2026. He had a standout minor-league season, hitting 38 home runs between Double-A and Triple-A, ranking second in the minors. The Mariners, who rank last in runs scored, hoped his power would provide a late-season boost.

How it unfolded

  1. Sep 1, 2026Montes was promoted to the Mariners and made his MLB debut at Fenway Park, batting seventh as designated hitter.
  2. Sep 1, 2026 (2nd inning)He drew a five-pitch walk, loading the bases in a five-run inning.
  3. Sep 1, 2026 (3rd inning)He singled to right for his first career hit, driving in Josh Naylor.
  4. Sep 1, 2026 (5th inning)He homered to center off Wyatt Olds for his first career home run.

Who’s saying what

Analysts
Analysts noted his 38 homers and 137 wRC+ in the minors, projecting him as a key power bat.
Public
Fans and media celebrated his debut, with the Mariners' official Twitter calling it 'a good first impression.'

Sources

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