Seattle Mariners Select INF/OF Weston Wilson from Triple-A Tacoma

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MLB Editor
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Seattle Mariners

INF/OF Miles Mastrobuoni designated for assignment

SEATTLE – Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the following roster moves:

  • Weston Wilson (#31), INF/OF, selected from Triple-A Tacoma.
  • Miles Mastrobuoni, INF/OF, designated for assignment.

The Mariners 40-man roster remains full at 40 players.

Wilson, 31, was signed by the Mariners to a minor league contract on June 14 and has played in two games with the Triple-A Tacoma Rainiers. The right-handed hitting infielder and outfielder appeared in 19 games with the Baltimore Orioles this season, batting .231 (9×39) with a .348 on-base percentage in 46 plate appearances.

Wilson has appeared in 4 Major League seasons with the Philadelphia Phillies (2023-25) and Orioles (2026), batting .240 (61×254) with 39 runs, 12 doubles, 1 triple, 10 homers, 32 RBI, 10 stolen bases and 32 walks, with a .331 on-base percentage, .413 slugging percentage and .744 OPS. In the big leagues he has appeared at left field, first base, second base, third base, center field and right field, even making 6 pitching appearances.

The 31-year-old North Carolina native was originally selected by the Milwaukee Brewers in the 17th round of the 2016 MLB First-Year Player Draft out of Clemson University (SC). He homered in his first career plate appearance on Aug. 9, 2023, becoming the sixth player in Phillies history to do that and the first in 25 years.

Mastrobuoni (mass-troh-BOH-nee), 30, has appeared in 84 games with the Mariners since last season: 76 games last season and 8 games this year, batting .246 (43×175) with 23 runs, 4 doubles, 1 home run, 13 RBI and 6 stolen bases with a .602 OPS.

Mastrobuoni began the season on the 10-day Injured List, and later 60-day IL, with a right calf strain. He was acquired by the Mariners from the Chicago Cubs in exchange for cash considerations on Jan. 14, 2025. He has appeared in 5 Major League seasons with the Tampa Bay Rays (2022), Cubs (2023-24) and Mariners (2025-26), batting .230 (97×422) with 57 runs, 12 doubles, 2 homers, 22 RBI, 22 stolen bases and 40 walks.

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MLB Editor
MLB Editor
https://sportsgamingjournal.com/category/mlb/
Profile: A dedicated Major League Baseball analyst with a comprehensive understanding of the sport’s strategic, statistical, and developmental layers. This columnist delivers in‑depth coverage that blends advanced metrics, scouting insight, and historical context to illuminate the trends shaping today’s game. Background: With extensive experience following MLB at both the team and league levels, the columnist has contributed to national sports outlets, digital platforms, and radio segments focused on roster construction, player evaluation, and organizational philosophy. A background in sports journalism and analytics supports a disciplined approach to breaking down performance, interpreting data, and tracking long‑term competitive cycles. Signature Coverage Areas: Game previews and pitching‑matchup analysis Advanced statistical breakdowns and sabermetric insights Prospect evaluation, farm‑system trends, and player development Trade‑deadline movement, free‑agency analysis, and front‑office strategy Historical context and postseason features Style & Approach: The writing emphasizes clarity, accuracy, and accessibility — translating complex data and tactical nuance into insights that resonate with both traditional fans and analytically minded readers. Each column reflects a commitment to balanced reporting, thoughtful evaluation, and a deep appreciation for the evolving landscape of Major League Baseball.