Mariners' Michael Arroyo: Batting eighth in MLB debut
Rotowire
The Mariners selected Arroyo's contract from Triple-A Tacoma, and he'll start at second base and bat eighth Sunday against the Athletics.
The 21-year-old has made the transition to left field this season but has continued to see action at second base for Tacoma, and the latter position is where he'll make his MLB debut. Arroyo, who is one of Seattle's top prospects, opened the campaign with Double-A Arkansas before being promoted to Triple-A in early July. He's posted an .830 OPS with 18 home runs and 17 steals in 114 games between the two levels.
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Mariners' Michael Arroyo: Promoted to Triple-A
Rotowire
The Mariners promoted Arroyo from Double-A Arkansas to Triple-A Tacoma on Sunday, Daniel Kremer of MLB.com reports.
Arroyo earned a promotion to the Mariners' top minor-league affiliate after slashing .287/.364/.456 with 10 home runs and 13 stolen bases across 65 games at Arkansas. The 21-year-old has split time between second base and left field this season, two positions that are occupied by Cole Young and Randy Arozarena, respectively, in the majors. Arroyo is now one step away from his debut, but it might take an injury for him to be summoned to the big leagues in 2026.
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Mariners' Michael Arroyo: Moves past neck issue
Rotowire
Arroyo (neck) is listed as an available bench bat Wednesday for the Mariners' Double-A game on the back fields of camp, Ryan Divish of The Seattle Times reports.
Arroyo had received an invitation to big-league spring training and went 3-for-10 with a home run and five walks over six Cactus League games, but he hadn't appeared since being scratched from the lineup ahead of Friday's matchup with the Dodgers after experiencing neck spasms. The 21-year-old seems to have since moved past the issue, but with spring training winding down, Arroyo looks like he'll be in line for action on the back fields for the rest of camp. Arroyo is expected to open the season at Double-A Arkansas.
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Mariners' Michael Arroyo: Dealing with neck spasms
Rotowire
Arroyo was scratched from the Mariners' lineup for Friday's Cactus League game against the Dodgers due to neck spasms, Ryan Divish of The Seattle Times reports.
Arroyo was slated to start at second base and bat seventh in Friday's game before his injury flared up, and the Mariners should provide an update over the next couple of days once the 21-year-old undergoes further tests. Arroyo ended the 2025 season with Double-A Arkansas, where he slashed .255/.376/.341 with nine steals (on 12 attempts), two home runs and 15 RBI in 250 plate appearances.
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Mariners' Michael Arroyo: Homers in spring opener
Rotowire
Arroyo started at second base and went 2-for-2 with a two-run homer and a double in Friday's Cactus League opener against the Padres.
Arroyo drove an opposite-field homer off a two-strike pitch from Jagger Haynes in the second inning, giving the Mariners an early 2-0 lead. It was reported earlier in the offseason that Arroyo would transition to the outfield, though he ultimately got the start at second base in Seattle's spring opener. While it remains to be seen where Arroyo will fit in the field long term, his major-league future will ultimately come down to his bat. Arroyo slashed .262/.401/.433 with 17 home runs across 556 plate appearances between High-A and Double-A last year. He should see regular playing time early in Cactus League play before reporting to Team Colombia for the World Baseball Classic.
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Mariners' Michael Arroyo: Promoted to Double-A
Rotowire
Arroyo has been promoted from High-A Everett to Double-A Arkansas, Adam Jude of The Seattle Times reports.
Arroyo will be bumped up a level after slashing .269/.422/.512 with 15 home runs and three stolen bases over 65 contests with Everett, which includes a .309/.454/.599batting line since the start of May. He will play the entirety of the 2025 season at just 20 years of age, but Arroyo appears ready to be tested in the Texas League.
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Mariners' Michael Arroyo: Cut from big-league camp
Rotowire
The Mariners reassigned Arroyo to minor-league camp Monday.
Arroyo saw action in nine Cactus League games this spring, going 2-for-11 at the dish, but the top prospect was always destined to return to the minors to start the 2025 campaign. A 20-year-old infielder, Arroyo slashed .285/.400/.509 with 23 homers and 18 stolen bases between Single-A Modesto and High-A Everett in 2024. He could moved up to Double-A Arkansas in 2025.
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Mariners' Michael Arroyo: Headed to High-A
Rotowire
Arroyo has been promoted from Single-A Modesto to High-A Everett.
Arroyo, 19, slashed .279/.404/.500 with 11 home runs and eight stolen bases to earn a shot at a higher level. While he is capable of handling shortstop, Arroyo has focused mostly on second base this season.
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Mariners' Michael Arroyo: On hitting rampage at Single-A
Rotowire
Arroyo is hitting .361 with one home run, six doubles and a 3:6 K:BB in nine games with Single-A Modesto.
Arroyo, who opened the year as one of the top prospects in the Arizona Complex League, hit .636 with one strikeout in his first four ACL games before getting promoted to Single-A on June 13. He is a hit-over-power middle infielder, but Arroyo is ahead of schedule in the power department, as he has a .723 slugging percentage in a small sample across the two levels.
