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RosterMIAMay 28, 2026, 6:28 PM EDTSignal confidence 80%

Marlins sign RHP Amos Willingham to minor league deal, assignment to Triple-A Jacksonville

Miami reportedly agreed to a minor league contract with right-hander Amos Willingham, per Ari Alexander of 7News; he is expected to report to Triple-A Jacksonville.

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What happened

The Miami Marlins and right-handed reliever Amos Willingham have reportedly agreed to a minor league contract, per Ari Alexander of 7News. Willingham, a Gaeta Sports Management client, is expected to report to Triple-A Jacksonville rather than joining Miami's active roster — the standard landing spot for a minor league deal, which by its nature does not place a player on the 40-man roster.

Why it matters

Minor league deals are the quiet machinery of roster construction: low-commitment additions that give a club a look at a pitcher without burning a 40-man spot. For a Marlins organization navigating a long and difficult season, adding a 27-year-old arm with big league experience — however uneven — to the Jacksonville depth chart is the kind of move that costs little and occasionally pays off.

Willingham brings something genuinely useful to the conversation: he has already pitched at the major league level, in parts of two seasons with the division-rival Washington Nationals. That familiarity with NL East lineups is not nothing, even if the results in those appearances were hard to look at directly.

The numbers

The big league ledger is where Willingham's résumé gets complicated. Across 25 1/3 innings with the Nationals, he allowed 20 runs on 37 hits and nine walks while striking out 16 batters — a 7.11 ERA that does not invite extended contemplation. Nine of those 37 hits were home runs, which is the kind of ratio that tends to follow a pitcher into the next conversation about him whether he likes it or not.

The more recent data, from his time with the Houston Astros' Triple-A affiliate to begin this season, is more encouraging in one column and less so in another. Willingham posted a 3.38 ERA across 13 1/3 frames — a legitimate number at that level — but walked 11 batters while striking out only nine. A walk rate that outpaces the strikeout rate is the sort of thing that makes evaluators squint, even when the run prevention looks fine on the surface.

Per Ari Alexander's report, Willingham was working at 94 mph with his fastball while in the Astros organization, down from his career average of 95.9 mph in the majors. He also shifted his pitch mix during that stint, leaning more heavily on his changeup while pulling back on his cutter and slider. Whether that adjustment was a deliberate strategic pivot or a response to the velocity dip is not addressed in the report.

Where the club stands

Miami enters this move sitting at 80-82 (.494), third in the NL East and 14 games back in the division — a gap that has effectively ended the division race. The Wild Card picture is similarly closed, with the Marlins ranked sixth and 8.0 games relative to the cut line, also eliminated from that chase. The club is riding a one-game winning streak heading into the weekend.

The schedule ahead does not ease up: Miami travels to Citi Field for a three-game series against the New York Mets, with Max Meyer lined up against Freddy Peralta on Friday, Tyler Phillips facing Christian Scott on Saturday, and John King opposing Nolan McLean on Sunday. A road series against a Mets club that shares the division with both Miami and Willingham's former employer in Washington gives the weekend a certain small-world quality.

For a team playing out the string in the standings, the calculus around roster additions shifts. The pressure is less about winning a pennant race and more about developing the organizational depth that will matter next spring. That context makes a minor league deal for a 27-year-old with a mixed but real track record a reasonable enough flier.

What we don't know yet

Ari Alexander's report does not specify whether Willingham's minor league contract includes an opt-out clause or a future invitation to big league camp — both common features of such agreements, though their presence here is unconfirmed. It is also not reported whether Miami has any near-term intention of adding him to the 40-man roster or whether this is purely a depth move for Jacksonville.

The reason for his departure from the Astros organization is not addressed in the report. He posted a serviceable ERA in Triple-A, so the separation was not obviously performance-driven — but the specifics remain unreported.

The velocity question is also worth flagging as unresolved. Working at 94 mph rather than his career average of 95.9 mph is a meaningful difference for a reliever, and whether that gap reflects a mechanical adjustment, workload management, or something else is not explained in the reporting from Ari Alexander.

What to watch

### Will Willingham reach the Marlins' active roster this season?

That depends entirely on how he performs at Jacksonville and what Miami's bullpen needs look like as the season continues. A minor league deal is an audition, not a commitment — and with the Marlins already eliminated from both the division and Wild Card races, there may be more willingness to give fringe arms a look at the big league level if the opportunity presents itself. Nothing in the current reporting suggests a call-up is imminent or planned.

The pitch-mix adjustment Willingham made in Houston — more changeup, less cutter and slider — is worth monitoring as he settles into Jacksonville. If the changeup plays well against Triple-A hitters and the walk rate comes down, the conversation about him changes. If the walks persist and the home run rate from his Nationals tenure reasserts itself, the minor league deal will likely run its quiet course without further fanfare.

Miami's bullpen situation heading into a weekend series at Citi Field is the more immediate operational question, and Willingham's arrival at Jacksonville does not directly affect it. But in a season where the standings have already rendered their verdict, the interesting baseball in Miami may be happening one level below the box scores.

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