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Source-linked injury notes, trades, roster moves, lineup updates, and video references, rewritten as Posterior briefs and tied back to the original publisher.
Mariners Call Up Lazaro Montes for MLB Debut
Seattle has called up outfield prospect Lazaro Montes to the major league roster, with his debut targeted for Tuesday in Boston as rosters expand to 28.
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J-Rod's split-second gamble looms large in crushing walk-off loss
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Tolle records the out, hugs Canzone for good measure
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Latest Mariners injuries and transactions
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Raleigh named AL Player of the Week
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What to expect from Montes in the big leagues
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Mariners Set to Call Up Power Prospect Lazaro Montes
The 21-year-old Cuban slugger is en route to Boston and expected to be activated Tuesday, coinciding with the September 28-man roster expansion.
Mariners Calling Up Top Prospect Lazaro Montes, per Report
Seattle is set to call up highly regarded slugger Lazaro Montes to the MLB roster, per Daniel Kramer, with his debut targeted for Tuesday in Boston.
Lazaro Montes Set for MLB Debut with Mariners on Tuesday
Seattle promotes its 56th-ranked prospect to the active roster amid a roster expansion, with an additional 40-man move still needed.
Mariners 'running out of time' in playoff push
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Hancock lands on 15-day IL for Seattle
The Mariners have placed RHP Emerson Hancock on the injured list, opening a rotation spot.
Hancock Lands on 15-Day IL With Adductor Strain
Seattle's right-hander Emerson Hancock is sidelined with a left adductor strain, with his IL placement backdated to August 29.
Mariners' early lead slips away after costly miscues
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Brandon Walter Gets the Start for Seattle Tomorrow at 10:37 a.m.
The Seattle Mariners announced Brandon Walter as their starting pitcher for tomorrow's 10:37 a.m. game.
Mariners Repeatedly Playing Hurt Players Through Pain in 2025
Seattle's beat reporter flags a pattern of the Mariners keeping injured players in the lineup rather than removing them.
Mariners to Monitor Emerson Hancock After Awkward Tumble vs. Blue Jays
Seattle will keep an eye on RHP Emerson Hancock after he took an awkward tumble during the Mariners' loss to Toronto; no further details have been disclosed.
Bryce Miller Shifted to Bullpen Amid August Struggles
Seattle manager Dan Wilson calls it a short-term move, but Miller's return to the rotation this season is uncertain.
Mariners Move Bryce Miller to Bullpen, Call It Temporary
Seattle has shifted RHP Bryce Miller out of the rotation and into the bullpen amid struggles, with the club describing the move as not permanent.
Cal Raleigh's 2026 Collapse Is Historic Despite Recent HR Surge
After hitting 60 HRs in 2025, Raleigh has cratered well below projections in 2026, though a two-game hot streak offers a rare bright spot.
Kirby Cruises Through 7 Innings on Just 79 Pitches
Seattle's George Kirby is dealing efficiently, posting 8 strikeouts and allowing just one run while remaining well within his pitch count.
JP Crawford activated off IL, reclaims everyday SS role for Seattle
The Mariners have activated shortstop JP Crawford from the injured list, and he is set to resume his starting role at shortstop full-time.
Cal Raleigh breaks out with first career 3-HR game vs. Phillies
Seattle's switch-hitting catcher had been mired in a deep slump but went 3-for-3 with a walk and three solo/multi-run blasts.
Cal Raleigh Erupts for Career-High 3 HRs in Single Game
After struggling all season, Mariners catcher Cal Raleigh launched three home runs in one night, signaling a potential breakout from his slump.
Wheeler Surrenders Career-High 4 HRs to Mariners
Phillies ace Zach Wheeler had a rare rough outing, giving up four home runs to Seattle — matching the worst home-run performance of his career.
Colt Emerson Out for Season After Left Wrist Surgery
Seattle Mariners rookie Colt Emerson is set to have season-ending surgery on his left wrist, closing out his 2025 season.
Mariners Weighing Multiple Rotation Options Going Forward
Seattle has not settled on a rotation structure and is considering a six-man setup, moving a starter to relief, or returning to piggyback starts.
Colt Emerson Limited This Offseason But Expected Ready for Spring Training
Mariners infielder Colt Emerson reportedly cannot take swings this offseason while recovering, though he is expected to be ready for spring training.
Colt Emerson's Season Over After Wrist Surgery Decision
Seattle Mariners infielder Colt Emerson is headed for season-ending wrist surgery, already on the 10-day IL with a transfer to the 60-day IL expected.
Mariners Post Starting Lineup for Tonight's Game vs. Phillies
The Seattle Mariners announced their starting lineup for tonight's home game against the Philadelphia Phillies, per the club's official account.
Mariners Outright LHP Jhonathan Díaz to Triple-A Tacoma
Díaz cleared waivers after his DFA and has been assigned to Tacoma, though he can reject the assignment and become a free agent.
Mariners Call Up Top Prospect Kade Anderson for MLB Debut
The third overall pick from 2024 MLB Draft joined Seattle's rotation after dominating Double-A with a 1.06 ERA and 40.5% strikeout rate.
Bryce Miller Posts Career-High 7 Walks in Rough Outing vs. Cubs
The Mariners starter continued a troubling stretch of poor performances, surrendering 6 runs and walking 7 batters in a loss to Chicago.
Logan Gets the Start for Seattle Tomorrow at 6:40 p.m.
The Seattle Mariners announced Logan gets the starting pitching assignment for tomorrow's game at 6:40 p.m., per the official club account.
Weston Wilson Pitching the Ninth for Seattle
Position player Weston Wilson is reportedly pitching the ninth inning for the Mariners, a reliable indicator of a lopsided score or a depleted bullpen.
Bazardo warming in SEA bullpen with three innings to cover
Seattle beat reporter Ryan Divish reports Bazardo is up and throwing as the Mariners bullpen faces significant late-game workload.
Arozarena Homers Again, Chasing Historic 6th Straight 20-20 Season
The Mariners outfielder followed a standout game with another leadoff HR, putting him in rare historical company with a 6th consecutive 20-20 campaign.
Donovan Lands on Concussion IL with Seattle
The Mariners are sidelining infielder Brendan Donovan with a concussion, triggering a corresponding roster move.
Matt Brash Advances in Rehab, Live BP Next Step for Mariners Reliever
Brash completed a bullpen session and is days away from a live BP, signaling meaningful progress toward an MLB return.