The Athletics are expected to promote Arnold from Double-A Midland to Triple-A Las Vegas on Tuesday, Martin Gallegos of MLB.com reports.
One of the Athletics' top pitching prospects, Arnold will get his first taste of the Pacific Coast League on the heels of a magnificent stretch at Midland. Since serving up a season-high seven runs on 12 hits and three walks in a May 27 start versus Amarillo, Arnold has delivered a 2.43 ERA, 1.18 WHIP and 73:25 K:BB across 66.2 innings in his ensuing 13 starts.
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Athletics' Jamie Arnold: Adds to impressive arsenal
Rotowire
Arnold expanded his repertoire at Driveline this winter, adding a cutter and a kick changeup, Jesus Cano of Baseball America reports.
The No. 11 pick in the 2025 First-Year Player Draft, Arnold slipped to the Athletics and they swooped in and added the 6-foot-1 southpaw. Arnold already had an excellent track record and pitch mix, and now he boasts a pair of changeups, as he already had a strong splitter. His mid-90s fastball and monster mid-80s slider are Arnold's go-to offerings, but now he has even more weapons at his disposal. Arnold said "this is the best I've ever felt," which is hyperbole, but at least it's good to know he's heading to spring training at the peak of his powers. He will likely be assigned to High-A or Double-A, and Arnold could join the big-league rotation sometime this summer if he pitches to expectations.
