The Athletics optioned Alvarado to Triple-A Las Vegas on Saturday.
Alvarado was roughed up in his last outing against the White Sox on Friday, when he allowed four runs on three hits and three walks while striking out three across two innings. That game rose his season numbers to an 8.38 ERA and 1.86 WHIP over 9.2 innings, so Alvarado will head down to the minors to regain some form. The A's recalled Mason Barnett from Las Vegas in a corresponding move.
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Athletics' Mason Barnett: Recalled by Athletics
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The Athletics recalled Barnett from Triple-A Las Vegas on Saturday.
Barnett opened the 2026 season in the minors after failing to make the Athletics' Opening Day roster. He has a 2-0 record across three starts in Triple-A with a 3.07 ERA, 1.62 WHIP and 14:10 K:BB across 14.2 innings. The Athletics optioned Elvis Alvarado to Las Vegas in a corresponding move, indicating that Barnett will likely operate out of the A's bullpen in a long-relief role.
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Athletics' Elvis Alvarado: Returns from WBC
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Alvarado allowed two hits and a walk across a scoreless inning in Thursday's Cactus League loss to the Mariners.
Alvarado got into a jam in the eighth inning by loading the bases but escaped without allowing a run. This marked the right-hander's first outing back with the Athletics after tossing 1.2 scoreless innings across two appearances for the Dominican Republic in the World Baseball Classic. Coming off a 2025 season in which he posted a 3.19 ERA and 1.32 WHIP across 42.1 innings, Alvarado could see save opportunities as the A's plan to deploy a closer-by-committee approach, though he has yet to record his first big-league save.
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Athletics' Elvis Alvarado: Picks up win Sunday
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Alvarado (1-0) pitched 1.2 scoreless innings, walking two batters and striking out two on his way to a win in Sunday's 3-2 victory over the Orioles.
Alvarado has been thrust into a prominent late-inning role following the departure of Mason Miller. He made the most of his opportunity Sunday, securing the first win of his young career. The right-hander has compiled a 3.04 ERA and 1.27 WHIP with 29 strikeouts over 19 appearances this season, and he's competing with Michael Kelly and Sean Newcomb for high-leverage opportunities moving forward in 2025.
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Athletics' Elvis Alvarado: Sent to Triple-A
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The Athletics optioned Alvarado to Triple-A Las Vegas on Thursday, Martin Gallegos of MLB.com reports.
Alvarado appeared in two of the first three games of this week's series against the Twins, yielding a run in both outings. He'll return to the bullpen at Las Vegas.
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Athletics' Elvis Alvarado: Back in big leagues
Rotowire
Alvarado was called up from Triple-A Las Vegas on Monday.
Alvarado will return to the major-league roster after being sent down to Las Vegas on May 13. The right-hander made five appearances in Triple-A after his demotion, allowing four runs on five hits and six walks while striking out six batters over five innings. Alvarado will operate as a replacement arm for Gunnar Hoglund (hip) after Hoglund was placed on the 15-day injured list Monday.
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Athletics' Elvis Alvarado: Demoted to Las Vegas
Rotowire
The Athletics optioned Alvarado to Triple-A Las Vegas on Tuesday.
Alvarado made two appearances during his four-day stint in the majors, giving up three earned runs and striking out four batters over 2.2 innings. He'll now head back to the minors in favor of Jason Alexander, who was recalled from Las Vegas in a corresponding move. However, if Alvarado maintains something close to his 3.45 ERA and 0.92 WHIP in Triple-A, he will remain a candidate to return to the big club later in the season.
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Athletics' Elvis Alvarado: Claimed by A's
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The Athletics claimed Alvarado off waivers from the Pirates on Thursday, Noah Hiles of the Pittsburgh Post-Gazette reports.
Alvarado was designated for assignment by the Pirates earlier this week and will now join a new 40-man roster. The 25-year-old has not appeared in a major-league game, most recently posting a 2.79 ERA and 71:38 K:BB over 48.1 innings at Triple-A Jacksonville in the Marlins organization in 2024.
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Pirates' Elvis Alvarado: Designated for assignment
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The Pirates designated Alvarado for assignment Wednesday.
The move creates a spot on the 40-man roster for Adam Frazier, whose signing was officially announced. Alvarado has yet to appear in a big-league game but was given a major-league contract by the Pirates earlier this offseason. If he clears waivers, he'll be in camp as a non-roster invitee.
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Pirates' Elvis Alvarado: Gets MLB deal from Pittsburgh
Rotowire
Alvarado signed a major-league contract with the Pirates on Tuesday, Noah Hiles of the Pittsburgh Post-Gazette reports.
Alvarado spent the majority of the 2024 season with the Marlins' Triple-A affiliate, where he posted a 2.49 ERA and 1.40 WHIP alongside a 70:36 K:BB over 47 innings. He has yet to appear in a major-league game, but the Pirates seem to like the 25-year-old righty enough to hand him a spot on their 40-man roster, and he'll have an opportunity to make the Buccos' Opening Day bullpen during spring training.