Shawn Dubin: Everything you need to know

Dubin signed a minor-league contract with the Nationals on Friday. Dubin made his organizational debut Sunday with Triple-A Rochester, tossing a scoreless inning out of the bullpen. The right-handed reliever most recently saw action at the big-league level with Houston and Baltimore in 2025, when he turned in a 5.08 ERA and 1.43 WHIP across 33.2 innings.

Dubin was released by the Diamondbacks on Thursday, Aaron Hughes of SI.com reports. Dubin has made two appearances with Triple-A Reno so far this season, surrendering four runs on five hits and a walk while striking out two batters over two innings. The 30-year-old produced a 5.08 ERA and 1.43 WHIP with 28 punchouts over 33.2 innings in 30 appearances with the Astros and Orioles in 2025, and he'll likely find another suitor in the near future.

The Diamondbacks reassigned Dubin to minor-league camp Thursday, Alex D'Agostino of SI.com reports. Dubin had been attending camp as a non-roster invitee and was unable to secure a spot in Arizona's Opening Day bullpen after giving up four runs (two earned) on four hits and three walks over five innings in Cactus League play. The 30-year-old righty spent the 2025 season in the Astros and Orioles organizations, making 30 appearances in the majors while pitching to a 5.08 ERA, 1.43 WHIP and 28:11 K:BB across 33.2 frames.