Aaron Ashby has gone from a dependable bullpen arm to something far more dangerous this October, and Game 4 of the World Series only pushed him deeper into the record book.
The left-hander worked 2 1/3 scoreless innings against the Tampa Bay Rays, and that outing gave him 18 scoreless innings to open a postseason, according to the MLB X account. That is now the standard in MLB history. For Milwaukee, it came in a moment the club hopes will be remembered as one of the biggest nights in Brewers history.
Ashby’s postseason has been remarkable no matter the setting. He has handled pressure just as well at American Family Field as he has in hostile road parks, and he hasn’t allowed a run since Sept.
- Through these playoffs, he has given up only five hits.
Neither the Los Angeles Dodgers, the two-time defending World Series champions before this run, nor the Rays have found a way to solve him.
17.2 SCORELESS INNINGS
— MLB (@MLB) October 28, 2026
AARON. ASHBY. https://t.co/b3YJWHHZp9 pic.twitter.com/oPL6sMHkPx
This is a different level from what Ashby was earlier in his career. He posted a 5.40 ERA in the 2025 MLB playoffs, and while he was a reliable bullpen workhorse during the 2026 regular season, he was not operating at this kind of ceiling. Now the 2018 fourth-round pick has become one of the defining arms of Milwaukee’s October push.
That matters in a staff that already includes Jacob Misiorowski, who is described as a runaway National League Cy Young, and closer Trevor Megill. But Ashby has separated himself as the Brewers’ most important postseason pitcher during this run.
As Pat Murphy’s bullpen carries Milwaukee closer to what would be the franchise’s first championship, Ashby is turning into the kind of reliever who can reshape an entire postseason. Even if Tampa Bay were to survive Game 4, it would have done so without figuring out the bespectacled southpaw.
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