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Former A's Closer Mason Miller Sets New Record for Padres
Aug 9, 2025; San Diego, California, USA; San Diego Padres relief pitcher Mason Miller (22) throws a pitch during the eighth inning against the Boston Red Sox at Petco Park. Mandatory Credit: David Frerker-Imagn Images David Frerker-Imagn Images

Mason Miller has been absolutely electric for the San Diego Padres since being traded from the Athletics at the deadline. The 27-year-old reliever spent his first two and a half seasons with the Athletics, including two years in Oakland and half the season in Sacramento. This week in the first postseason work of his young career, he's thriving.

Now with the Padres, Mille has impressed in his first two postseason outings. In game one against the Cubs on Tuesday afternoon, Miller entered the ballgame in the seventh inning. He faced Seiya Suzuki, Carson Kelly, and Pete Crow-Armstrong, punching out all three batters. Miller threw just 13 pitches, including 10 for strikes.

The Cubs were the visiting club in the first-ever MLB series played in West Sacramento, and Suzuki hit a ball 445 feet and off the batter's eye in center in the second game, while Kelly hit for the cycle in the opener.

Despite the loss in game one, San Diego answered back to tie the series with a 3-0 shutout over Chicago.

Miller entered the game in the seventh inning once again. Now pitching with a 3-0 lead, the right-hander struck out five of the first six batters he faced. He threw 16 of 27 pitches for strikes, punching out Suzuki, Kelly, and Crow-Armstrong in order, before setting down Dansby Swanson and Moisés Ballesteros in the eighth. Miller’s effort resulted in a hold.

He also ended up uncorking the fastest recorded pitch in postseason history, and it was an absolute dart on the outside edge of the strike zone.

Miller proceeded to allow a two-out baserunner after plunking Michael Busch before he was replaced by Robert Suarez.

But you could not ask for a better start to your postseason career than that of Miller’s. In total, he has tossed 2⅔ innings with eight strikeouts and just one baserunner allowed.

In each of the first two games against Chicago, Miller has been the second arm out of the bullpen. Additionally, he has been used following Adrián Morejón in each outing and continues to be a setup man in relief, which speaks to the depth of the San Diego bullpen.

Miller is just one of 16 former Athletics players to be chasing a ring this October. Alongside him in San Diego are outfielder Ramón Laureano (2018-23) and left-handed pitcher JP Sears (2022-25). He continues to provide a tremendous spark out of the bullpen as he has all season with San Diego.

With the Friars, Miller posted a 0.77 earned run average over the course of 22 relief appearances. He finished five games and recorded two saves. In 23⅓ innings pitched, he allowed just two runs on seven hits, while racking up 45 strikeouts and walking just 10 batters.

After a 3-0 win over the Cubs, the Padres have forced a game three of the NL Wild Card. The teams will face off on Thursday, with first pitch time to be determined by how the rest of tonight's games play out.


This article first appeared on Oakland Athletics on SI and was syndicated with permission.

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