Jackson Chourio Ties MLB Under-23 Postseason RBI Record in 16 Games

Jackson Chourio has officially entered the record books, tying the MLB mark for the most postseason RBIs by a player younger than 23 years old. By reaching 17 career RBIs during the 2026 postseason, the Milwaukee Brewers outfielder has matched a milestone previously held alone by Andruw Jones, but the efficiency with which Chourio reached the mark has set a new standard for young players in October.

While Jones required 45 postseason games to accumulate his 17 RBIs, Chourio reached the total in just 16 games. This rapid production has anchored a Milwaukee offense that has now advanced to the National League Championship Series (NLCS) to face the Los Angeles Dodgers. Through those 16 career postseason appearances, the 22-year-old is carrying a slash line of .300/.333/.600.

Chourio's Game 2 walk-off was one of only five such instances in postseason history.

Historical Efficiency and Franchise Records

Chourio’s rise is not limited to age-restricted leaderboards; he is also rewriting the Brewers’ franchise record book. With five career postseason home runs, Chourio now holds the Milwaukee club record for most home runs in the playoffs. In doing so, he surpassed former Brewers Prince Fielder and Orlando Arcia, further establishing himself as the primary power threat in the lineup.

The volume of his production is matched by its timing. During the NLDS against the San Diego Padres, Chourio delivered a two-run walk-off single in Game 2 that stands as one of the rarest high-leverage hits in postseason history. According to statistical tracking, the hit occurred while the Brewers were trailing with two outs and two strikes in the final inning. This specific scenario—a walk-off hit while trailing with two outs and two strikes—has only been achieved five times in the history of the MLB playoffs.

Chourio’s Role in the NLCS

As the Brewers prepare for the NLCS, Chourio remains the central figure in a lineup that has relied on his ability to produce in high-leverage situations. His ability to drive in runs at nearly three times the rate of previous record-holders suggests a level of postseason composure rarely seen in players his age.

The upcoming series against the Dodgers provides Chourio with the opportunity to take sole possession of the under-23 RBI record. With 17 RBIs currently on his ledger, any further run-scoring production in the 2026 NLCS will move him past Jones for the most prolific postseason start by a young player in the history of the sport.

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