The Braves’ October run has a surprising engine, and it’s a left-hander the Mariners once signed for $2,000.
Ray Kerr has become one of the most unexpected names in the 2026 postseason, and Atlanta has leaned on him in back-to-back big spots. In the decisive Wild Card Series Game 3 against the Philadelphia Phillies, he opened for the Braves and turned in 3.1 scoreless innings. Then on Sunday, he followed that up with 2.2 shutout innings in the Braves’ NLDS Game 2 win over the Los Angeles Dodgers.
For a pitcher with a career 4.33 ERA, that’s a pretty loud arrival.
Kerr has been missing bats with a fastball that’s climbed as high as 96 mph, and hitters have had a miserable time trying to square up his curveball. Through this postseason run, he’s given up only three hits and two walks while striking out six.
None of this looked remotely inevitable when the Mariners brought him in as an undrafted free agent in 2017. Kerr wasn’t a headline amateur arm coming out of high school, Mendocino College or Lassen Community College in California.
He didn’t go through the draft at all. Seattle signed him out of the Alaska Baseball League, and the bonus was just $2,000 - enough to pull him away from a planned move to Cumberland University, an NAIA school in Tennessee.
Kerr was 22 at the time, and he was still trying to build a life around baseball after working at a 7-Eleven and a movie theater. Growing up, he was one of six siblings and spent time in foster care.
“I was like, okay, go do baseball only,” Kerr told Jesús Cano of The Athletic. “No essays, no research papers? Yeah, I’ll do that for sure.”
His path kept winding from there. He earned a look in the Arizona Fall League in 2019 and posted a 1.93 ERA in six appearances.
After the 2020 minor league season was canceled because of the COVID pandemic, he kept pushing forward in 2021 and eventually landed with the San Diego Padres in the Adam Frazier deal. Atlanta later acquired him in the Matt Carpenter trade in 2023.
Baseball America ranked Kerr as the Padres’ No. 20 prospect in 2022 and the Braves’ No. 15 prospect in 2024, though he was already in his late 20s by then. His first stretch of major league work didn’t go smoothly either. Across 39 appearances from 2022 through 2024, he posted a 5.30 ERA and a 1.417 WHIP.
Then came the biggest setback: Tommy John surgery in June of 2024. The rehab wiped out two years before he finally returned to the mound on July 14 of this year. Most of that time was spent at the Braves’ spring training complex in Florida.
Even when Kerr reappeared in August, his place on the roster didn’t feel secure. The Braves were shuffling through bullpen options, and a report from MLB Trade Rumors even said he “conceivably be designated for assignment and rotated out for another fresh arm, given his minimal recent track record.”
Instead, he stuck. Before his playoff breakout, he helped steady Atlanta’s bullpen by allowing just three earned runs over 18.1 innings during the regular season’s final stretch. That was enough to earn the trust of Braves manager Walt Weiss.
For Mariners fans, the whole thing has to feel a little surreal. Kerr isn’t the kind of former Seattle arm most people would have pegged for an October run like this, especially after the years that passed following the Frazier trade. But the reality is simpler: the Mariners gave him a chance, and everything after that was up to him.
Now Kerr has his own postseason story, and he’s telling it on one of baseball’s biggest stages.
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