Meet the unlikely National League wins leader helping fuel Brewers’ dominant start

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May 27, 2026 - 20:13

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Meet the unlikely National League wins leader helping fuel Brewers’ dominant start originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here.

When baseball fans think about the Milwaukee Brewers pitching staff, names like Brandon Woodruff or top prospect Jacob Misiorowski probably come to mind first. But nearly two months into the 2026 season, the National League wins leader is someone far less expected: Aaron Ashby.

The 28-year-old left-hander improved to 9-0 Wednesday as Milwaukee completed a dramatic 2-1 comeback victory over the St. Louis Cardinals, finishing off a sweep at American Family Field.

And while Ashby technically works out of the bullpen, his impact on Milwaukee’s season has become impossible to ignore.

Aaron Ashby’s breakout has quietly become one of MLB’s best stories

Ashby’s path to this moment has been anything but smooth. The former fourth-round draft pick debuted with Milwaukee in 2021 but struggled to establish consistency early in his career. In 2022, he posted a 4.44 ERA across 27 appearances while battling command issues and an inconsistent role between starting and relieving.

Then came a major setback.

Ashby missed essentially the entire 2023 season after shoulder surgery, creating major uncertainty surrounding his long-term future with the organization. Even entering 2025, injuries continued interfering with his development after an oblique strain disrupted his attempt to return to the Brewers’ starting rotation.

Now, suddenly, he looks like one of the National League’s most valuable bullpen weapons.

MORE: Dustin May’s near no-hitter ends in heartbreak as Brewers complete dramatic sweep of Cardinals

Brewers have found a weapon capable of changing games

Ashby’s current numbers jump off the page. The left-hander owns a 2.18 ERA with 47 strikeouts across 33 innings this season while holding opposing hitters to a .215 batting average. His 9-0 record currently leads the National League in wins.

What makes the achievement especially unusual is that Ashby has done it almost entirely as a reliever. He has appeared in 24 games but started only once, thriving in high-leverage multi-inning situations where Milwaukee has consistently trusted him to bridge critical portions of games.

Wednesday perfectly captured that formula. After Milwaukee trailed 1-0 deep into the game while Dustin May dominated for St. Louis, the Brewers bullpen held the line long enough for the offense to erupt late in the eighth inning and steal another victory.

That has become a theme all season.

Milwaukee’s pitching development continues looking elite

Ashby’s rise also reinforces one of baseball’s most consistent organizational trends. Few teams develop pitchers as effectively as Milwaukee.

Whether transforming starters into relievers, maximizing pitch movement or helping pitchers rediscover confidence after injuries, the Brewers repeatedly uncover value where other organizations struggle to find it.

Ashby may be the latest example. His upper-90s stuff and swing-and-miss arsenal always hinted at high-end upside, but injuries and inconsistency prevented him from sustaining momentum early in his MLB career.

Now he suddenly looks like one of the league’s most difficult relievers to handle. And for a Brewers team sitting atop the NL Central, that development could become enormously important moving deeper into the season.

Aaron Ashby is no longer flying under the radar

The funniest part about Ashby leading the National League in wins is how unexpected it still feels nationally. He is not a household name. He rarely dominates headlines. He does not pitch in the traditional closer role that usually attracts attention to relievers.

But every few nights, Milwaukee hands him the baseball and good things keep happening. At some point, that stops being coincidence. The Brewers entered 2026 needing someone to stabilize important innings after years of injuries and rotation turnover. Instead, they may have accidentally uncovered one of the most valuable bullpen arms in the National League.