MLB Miami Marlins Dax Fulton

Dax

Fulton

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Dax Fulton

MIA Starting Pitcher #90
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Marlins recalled LHP Dax Fulton from Triple-A Jacksonville.

Fulton, a starter in the first half of the season, has been working as a reliever in the minors since being sent down on Aug. 4, and the Marlins figure to use him in the middle innings. He has a 4.50 ERA and a 12/10 K/BB in 14 innings in the majors this season.
- Matthew Pouliot

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Dax Fulton

MIA Relief Pitcher #90
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Marlins optioned LHP Dax Fulton to Triple-A Jacksonville.

Fulton retreats to the minors with rookie Josh Ekness coming off the injured list. The 24-year-old rookie has compiled a serviceable 4.50 ERA across 14 innings in his first shot at the highest level.
- George Bissell

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Dax Fulton

MIA Starting Pitcher #90
Player Stats

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Marlins recalled LHP Dax Fulton from Triple-A Jacksonville.

With William Kempner (elbow) landing on the injured list, Fulton will get another opportunity to pitch out of the Marlins’ bullpen. The 24-year-old southpaw has compiled a 2.57 ERA, 0.86 WHIP and a 6/3 K/BB ratio across seven innings in three appearances at the big league level this season.
- David Shovein

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Dax Fulton

MIA Starting Pitcher #90
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Marlins optioned LHP Dax Fulton to Triple-A Jacksonville.

Fulton has allowed two runs on three hits in his seven innings with the Marlins. He should get another chance at some point over the summer.
- Eric Samulski

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Dax Fulton

MIA Starting Pitcher #90
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Marlins recalled LHP Dax Fulton from Triple-A Jacksonville.

Fulton will provide a multi-inning arm option for the Miami pitching staff in his second stint with the club. Will Kempner was sent to Triple-A to make room.

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Dax Fulton

MIA Starting Pitcher #90
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Marlins optioned LHP Dax Fulton to Triple-A Jacksonville.

Fulton threw four innings and allowed two runs against the Orioles in his one day with the Marlins. He’s being swapped out for a fresh arm now, but he might get a real look out of the pen at some point. An opportunity in the rotation will be harder to come by.

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Dax Fulton

MIA Starting Pitcher #90
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Marlins recalled LHP Dax Fulton from Triple-A Jacksonville.

This is not the left-handed pitching prospect that many people expected the Marlins to call up from Triple-A; however, the Marlins have said that Fulton will pitch out of the bullpen. Miami doesn’t need a starting pitcher until Friday, so Fulton will operate out of the bullpen until then. The 24-year-old has a 7.65 ERA in 20 innings at Triple-A this season. If he gets into a game, it will be his MLB debut.

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Dax Fulton

MIA Starting Pitcher #90
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Marlins optioned LHP Dax Fulton, RHPs Will Kempner and Josh White, INFs Deyvision De Los Santos and Jared Serna to Triple-A Jacksonville; Reassigned RHP Nigel Belgrave and INF Dylan Jasso to minor league camp.

We’re still early enough in camp that teams aren’t faced with difficult decisions just yet, so there are no surprises here. Fulton, 26, had a particularly brutal 2025 season, registering a 5.38 ERA, 1.62 WHIP and a 115/59 K/BB ratio over 103 2/3 innings between Double-A Pensacola and Triple-A Jacksonville. He’ll continue to operate as extra pitching depth for the Fish.

Transaction
William Kempner

Josh White

Nigel Belgrave

Dylan Jasso
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Adam Mazur

MIA Starting Pitcher #60
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Marlins optioned RHP Adam Mazur, RHP Luarbart Arias and INF Max Acosta to Triple-A Jacksonville and optioned LHP Dax Fulton and INF Jared Serna to Double-A Pensacola.

Mazur is the most notable name of the cuts, as he was acquired in the deal that shipped Tanner Scott to the Padres back in July. The 23-year-old has a chance to make starts for Miami before the end of 2025.

Transaction
Luarbert Arias

Maximo Acosta

Dax Fulton

Jared Serna
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Dax Fulton

MIA Starting Pitcher #90
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Marlins selected the contract of LHP Dax Fulton and INF Jared Serna from Triple-A Jacksonville.

Fulton missed all of the 2024 season while recovering from Tommy John surgery. He’s expected to be ready for the start of the 2025 campaign. Serna was acquired in the Jazz Chisholm Jr. trade and hit 251/.337/.414 over three levels with 15 homers and 15 stolen bases.

Transaction
Jared Serna
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