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0:47Highlights: Mariners at Pirates (6/25)
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1:04MLB Power Rankings (06/22): Mariners Bounced from Top 10
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6:31Playoff Picture Taking Shape in Latest MLB Power Rankings
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7:51MLB Trade Deadline: Who Are the Buyers and Sellers?
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7:12Breaking Down MLB Power Rankings
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0:49Texas Rangers: Contender or Pretender?
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0:51Highlights: Mets at Mariners (6/3)
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7:53MLB Power Rankings: Who's Rising and Who's Falling?
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1:13Breaking Down the Underachieving Mariners
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2026 Batting
| STATS |
AVG
Batting Average
|
HR
Home Runs
|
RBI
Runs Batted In
|
OPS
On-base Plus Slugging
|
SB
Stolen Bases
|
|---|---|---|---|---|---|
| Regular Season | .217 | 0 | 1 | .486 | 0 |
Top Miles Mastrobuoni News
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Mariners' Miles Mastrobuoni: Outrighted to Tacoma
Mastrobuoni cleared waivers Thursday and was sent outright to Triple-A Tacoma.
Mastrobuoni was DFA'd by Seattle after going 5-for-23 with 10 strikeouts in eight games with the big club, and he'll officially remain in the organization after passing through waivers unclaimed. The 30-year-old has posted just a .649 OPS at Triple-A this season and will likely spend the vast majority of what's left of the season in the minors.
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Mariners' Miles Mastrobuoni: Designated for assignment
The Mariners designated Mastrobuoni for assignment Friday.
Mastrobuoni went 5-for-23 with an RBI and three runs scored during his eight-game stint with the Mariners, but he'll now lose his place on the 26-man and 40-man rosters in favor of Weston Wilson. Mastrobuoni owns just a .567 OPS across 474 plate appearances in his MLB career, but his defensive versatility could draw some attention on the waiver wire.
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Mariners' Miles Mastrobuoni: Drawing fifth straight start
Mastrobuoni will start at third base and bat seventh in Sunday's game against the Nationals.
Since being reinstated from the 60-day injured list Wednesday, Mastrobuoni has gotten five straight starts (four at third base, one at second) while going 3-for-13 with a walk, a stolen base, two runs and an RBI. His run of regular playing time will likely come to an end Tuesday, however, with J.P. Crawford (hand) set to return from the 10-day IL and bump Mastrobuoni into a utility role.
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Mariners' Miles Mastrobuoni: Ready for season debut
The Mariners activated Mastrobuoni (calf) from the 60-day injured list Wednesday.
Mastrobuoni is finally ready for his season debut with the big club after recovering from a right calf strain he suffered while playing for Team Italy during the World Baseball Classic. He's starting at second base and batting eighth for the Mariners in Baltimore on Wednesday.
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Mariners' Miles Mastrobuoni: Begins rehab assignment
Mastrobuoni (calf) began a rehab assignment Monday with the Mariners' Arizona Complex League affiliate, going 0-for-2 with a 1:1 K:BB.
It was his first game action in more than four weeks, as he is working his way back from a right calf strain. The utility player should move up to a higher affiliate soon and is tracking toward a return in early June.
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Mariners' Miles Mastrobuoni: Moved to 60-day IL
Seattle transferred Mastrobuoni (calf) from the 10-day injured list to the 60-day IL on Monday.
Mastrobuoni had been in the midst of a rehab assignment with Triple-A Tacoma and appeared to be on the cusp of a return from the 10-day IL, but his move to the 60-day IL likely indicates that he suffered some sort of setback over the weekend. As a result of the transaction, Mastrobuoni now won't be eligible to make his 2026 debut with the Mariners until the final week of May, though an exact timeline for his activation is unclear. The utility player initially suffered the right calf strain in March while playing for Team Italy in the World Baseball Classic.
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Mariners' Miles Mastrobuoni: Kicks off rehab assignment
Mastrobuoni (calf) went 0-for-2 with a pair of walks in his first rehab game with Triple-A Tacoma on Wednesday.
Mastrobuoni has finally been cleared for games after suffering a right calf strain nearly a month ago. It's unclear how many rehab games the Mariners will ask the utility player to play, but it figures to at least be a handful.
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Mariners' Miles Mastrobuoni: Sidelined with calf strain
The Mariners placed Mastrobuoni (calf) on the 10-day injured list Wednesday.
Mastrobuoni strained his right calf while playing for Team Italy in the World Baseball Classic two weeks ago. He'll be eligible to return April 1, but the utility player figures to require a bit more down time than that.
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Mariners' Miles Mastrobuoni: Suffered calf injury in WBC
Mastrobuoni will return to Mariners camp after suffering a calf injury during Team Italy's win over Team USA in the World Baseball Classic on Tuesday, Bob Nightengale of USA Today reports.
The severity of Mastrobuoni's injury will likely be revealed once the Mariners' medical staff gets a chance to look at him. The 30-year-old infielder had been having a strong spring before his injury, going 4-for-15 with a grand slam through seven Cactus League games, and he also went 2-for-3 with a double and an RBI with Team Italy.
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Mariners' Miles Mastrobuoni: Smacks grand slam in spring debut
Mastrobuoni went 2-for-2 with a double and a grand slam in Saturday's Cactus League matchup with the Giants.
It was a strong start to the spring for Mastrobuoni, who got the start in left field Saturday. He put the Mariners ahead early with his first-inning grand slam off Hayden Birdsong. Mastrobuoni, who hit just one home run while posting a .620 OPS in 175 plate appearances last season, has a shot to make Seattle's Opening Day roster as a bench option thanks to his positional versatility.
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Mariners' Miles Mastrobuoni: Recalled, starting in finale
The Mariners recalled Mastrobuoni from Triple-A Tacoma on Sunday. He'll start at first base and bat ninth in the team's regular-season finale versus the Dodgers.
He'll see his first MLB action since Aug. 7 as the Mariners give Josh Naylor (groin) a breather. Mastrobuoni has a .612 OPS in the majors this season but put up a .296/.415/.417 slash line with one homer and nine steals in 31 games with Tacoma.
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Mariners' Miles Mastrobuoni: Sent back to Triple-A
The Mariners optioned Mastrobuoni to Triple-A Tacoma on Monday.
Mastrobuoni was designated as the Mariners' 27th man for Sunday's 7-3 loss to the Mets in the Little League Classic in Williamsport, Pa. and did not appear in the contest. He's heading back to Tacoma as the Mariners return to a standard 26-man active roster ahead of Monday's series opener in Philadelphia.
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Mariners' Miles Mastrobuoni: Serving as 27th man
The Mariners recalled Mastrobuoni from Triple-A Tacoma prior to Sunday's game against the Mets in Williamsport, Pa.
Seattle is designating Mastrobuoni as its 27th man for the 2025 MLB Little League Classic, so he'll most likely head back to Tacoma once the contest in Williamsport is completed. Mastrobuoni isn't in the lineup for Sunday's contest but is capable of serving as an in-game replacement at multiple infield or outfield positions.
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Mariners' Miles Mastrobuoni: Sent to Tacoma
Seattle optioned Mastrobuoni to Triple-A Tacoma on Friday.
Mastrobuoni will yield his spot n the 26-man roster to Luke Raley, who was activated off the injured list in a corresponding move. Mastrobuoni went hitless in two at-bats during his 16-day MLB stint.
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Mariners' Miles Mastrobuoni: Back in majors
Mastrobuoni was recalled from Triple-A Tacoma on Thursday.
The Mariners acquired Eugenio Suarez to handle third base, and Mastrobuoni fits better as a bench infielder role than Ben Williamson, who will head back to Triple-A to get regular at-bats. Mastrobuoni is hitting .252 with one home run and five steals in 71 games in the majors.
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Mariners' Miles Mastrobuoni: Optioned to make room for Naylor
The Mariners optioned Mastrobuoni to Triple-A Tacoma on Friday.
Mastrobuoni will lose his spot on the 26-man roster now that Josh Naylor (recently traded) has reported to the club. Mastrobuoni has slashed .252/.327/.293 with the Mariners and had recently been splitting time with Ben Williamson at third base.
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Mariners' Miles Mastrobuoni: Continues to hit for average
Mastrobuoni went 2-for-3 with a walk, a run scored and a stolen base in Sunday's 11-3 loss to Houston.
The lefty-hitting Mastrobuoni continues to work in tandem with Ben Williamson for reps at third base, though the former has been functioning on the short side of the platoon for most of the year. While Mastrobuoni is batting a strong .314 (16-for-51) with four RBI, five walks and three steals over 26 games since the start of June, he has zero extra-base hits since May 23.
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Mariners' Miles Mastrobuoni: Sitting Friday
Mastrobuoni is not in the Mariners' starting lineup against the Guardians on Friday.
Mastrobuoni has been out of the lineup in three of the Mariners' last four games, and his playing time could diminish further with Luke Raley (oblique) close to returning from the 10-day injured list. Randy Arozarena, Julio Rodriguez and Dominic Canzone will start in the outfield for Seattle.
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Mariners' Miles Mastrobuoni: Notches steal in loss
Mastrobuoni went 1-for-2 with a walk, one stolen base and one run scored in Saturday's 8-6 loss to the Angels.
Mastrobuoni continues to fill a part-time role as a utility player. The 29-year-old's steal was his third of the season and his first since May 7 versus the Athletics. He's gone 4-for-8 across five games in June, but his inconsistent playing time limits any potential upside. For the year, he's slashing .243/.325/.301 with one home run, eight RBI, 13 runs scored and three doubles over 120 plate appearances.
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Player Bio
| HT/WT: 5-9, 185 lbs |
| Birthplace: San Ramon, CA |
| Age: 30 |
| Experience: 4 |
| Bats/Throws: L, R |