POSTERIOR · WIRE
RosterPITAug 18, 2026, 3:16 PM EDTSignal confidence 100%

Pirates Recall RHP Antwone Kelly, Option RHP Isaac Mattson to Triple-A

Pittsburgh announced a bullpen swap: Antwone Kelly is back from Triple-A Indianapolis as Isaac Mattson heads back down.

Posterior generated visual for Pittsburgh Pirates: Pirates Recall RHP Antwone Kelly, Option RHP Isaac Mattson to Triple-A

The Pittsburgh Pirates announced a pair of corresponding roster moves, recalling right-hander Antwone Kelly from Triple-A Indianapolis while optioning right-hander Isaac Mattson to the same affiliate.

The club made the announcement via its official account, so the moves are as formal as it gets — no hedging required.

What it means for the bullpen

Kelly returns to Pittsburgh's active roster, adding a right-handed arm to a relief corps that has been in near-constant motion. Mattson, meanwhile, heads back to Indianapolis to continue working at the Triple-A level. Neither the timing nor the specific reasoning behind the swap was detailed in the announcement.

The broader picture

The Pirates have been reshaping their roster on multiple fronts recently. Oneil Cruz was activated from the 60-day IL after missing time with left hand fractures, and the club designated outfielder Johnathan Rodríguez to clear the 40-man spot for that reinstatement. The bullpen shuffle involving Kelly and Mattson fits the pattern of a front office actively managing its depth.

What remains unconfirmed

No role or usage plan for Kelly was specified in the announcement. Whether this move is tied to a specific upcoming series or matchup situation is not stated in the material.

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