The Brewers are moving one of their top young arms up the ladder.
Milwaukee has promoted Josh Knoth to Double-A Biloxi, MLB Pipeline reporter Sam Dykstra wrote on Bluesky. Knoth, a former first-round pick, is now the Brewers’ No. 9 prospect overall according to MLB.com and their third-ranked minor-league pitcher.
That puts the 21-year-old just two stops from the majors, and he’ll land in a Biloxi clubhouse that already features plenty of high-end talent. The Shuckers’ roster includes baseball’s No. 1 overall prospect Jesus Made, Milwaukee’s No. 2 prospect Luis Pena and No. 3 prospect Josh Adamczewski.
Knoth’s rise has come after a detour. Milwaukee took the right-hander in the first round of the 2023 MLB June Amateur Draft, and he debuted professionally in 2024 with the Carolina Mudcats. In that season, he went 4-6 with a 4.48 ERA, a 1.39 WHIP and 96 strikeouts over 84 1/3 innings across 21 starts.
Then came Tommy John surgery in January 2025, which wiped out his entire 2025 season.
He returned to the mound this year with the Wisconsin Timber Rattlers, where he was assigned on May 21 and quickly became one of the club’s most effective starters. In 2026, Knoth went 5-3 with a 4.33 ERA, a 1.31 WHIP and 66 strikeouts in 68 2/3 innings over 16 games, 14 of them starts.
Among Wisconsin pitchers with at least 10 starts, he posted the lowest ERA and WHIP. He also ranked third on the team in games started and innings pitched, and fourth in strikeouts.
MLB.com’s prospect report has already flagged him as a potential breakout arm. It said, “... the stuff is intriguing enough to make him a breakout candidate if he can maintain the quality of the arsenal over a likely innings limit,” and added, “Knoth’s upside remains in the middle of a future Milwaukee rotation.”
Knoth also delivered what may have been the best outing of his pro career on Aug. 1 against the Lansing Lugnuts, throwing six shutout innings with one walk, three hits and seven strikeouts.
His most recent appearance came Tuesday against the South Bend Cubs, when he worked six innings in relief, allowed three runs, two earned, on seven hits, walked one and struck out four while earning the win.
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