Alex Speas Joe Camporeale-USA TODAY Sports

The A’s announced Saturday afternoon that they have acquired right-hander Alex Speas from the White Sox in exchange for cash considerations. Speas had been designated for assignment by the Sox Friday. To clear space on their 40-man roster for Speas, they’ve designated right-hander Zach Jackson for assignment.

Speas, 26, was a second-round pick by the Rangers in the 2016 draft and made his big league debut with the club last year. His first cup of coffee in the majors did not go well, as he surrendered three runs on five walks and two hits while striking out four in two innings of work. Those difficulties at the big league level were reflective of his work at Triple-A with the Rangers last year, as he posted a 5.08 ERA with a 19.2% walk rate in 28 1/3 innings at the level. With that being said, his work at Double-A last season was nothing short of phenomenal as he punched out 40.9% of batters faced en route to a 0.64 ERA across 23 appearances.

The right-hander was designated for assignment by Texas at the tail end of the 2023 campaign and claimed off waivers by the White Sox in early October. He lasted through the offseason on the club’s 40-man roster, but his tenure with the club ended after just two appearances at the Triple-A level with the club. His brief stint with the club’s affiliate in Charlotte went poorly, as he allowed four runs on two walks and two hits, including a home run, while striking out just two. His time with Chicago came to an end Friday when he was designated for assignment to make room for veteran outfielder Robbie Grossman on the club’s 40-man roster. Now, Speas will return to the AL West as a member of the A’s organization. He’s been optioned to Triple-A to begin his time with the club but could factor into the Oakland bullpen miss later this year alongside the likes of Michael Kelly, Austin Adams and Lucas Erceg.

He’ll take the 40-man roster spot of Jackson, the Athletics’ third-round pick from the 2016 draft. Jackson pitched for the club since making his debut in 2022, with a 2.86 ERA in 66 innings, but was limited to just 20 frames by a flexor tendon strain last year and struggled badly both this spring and in three appearances at Triple-A so far this year. The A’s will now have one week to trade, waive, or release Jackson. Should he be passed through waivers successfully, the club will have the ability to assign him outright to the minor leagues, where he can act as non-roster depth going forward.

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