Baltimore Catcher Makes MLB History with Game-Ending Robo-Ump Challenge

Samuel Basallo's successful challenge overturned a ball call, securing the Orioles' 8-3 win over the Rangers.

Apr. 1, 2026 at 9:37pm

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In a historic moment, Baltimore Orioles catcher Samuel Basallo became the first major league player to end a game with a successful challenge using the Automated Ball-Strike System. In the top of the ninth inning against the Texas Rangers, Basallo challenged a ball call by umpire Manny Gonzalez on a 1-2 pitch from Orioles pitcher Albert Suárez to Evan Carter. Replay showed the pitch caught the upper outside corner of the strike zone, and Baltimore's 8-3 victory was secured.

Why it matters

The use of automated ball-strike technology in Major League Baseball has been a controversial topic, with concerns about its accuracy and impact on the game. Basallo's successful challenge highlights how the system can be used to correct umpire errors and improve the integrity of the game, though some fans remain skeptical of the new technology.

The details

In the top of the ninth inning with two outs, Orioles pitcher Albert Suárez threw a 1-2 pitch to Rangers batter Evan Carter that was called a ball by home plate umpire Manny Gonzalez. Basallo, the Orioles catcher, immediately challenged the call, and replay showed the pitch caught the upper outside corner of the strike zone. The call was overturned, ending the game and securing Baltimore's 8-3 win over Texas.

  • The incident occurred in the top of the ninth inning on April 1, 2026.

The players

Samuel Basallo

The Baltimore Orioles catcher who made the historic game-ending challenge.

Albert Suárez

The Baltimore Orioles pitcher who threw the pitch that was challenged.

Evan Carter

The Texas Rangers batter who was at the plate when the challenged pitch was thrown.

Manny Gonzalez

The home plate umpire who initially called the pitch a ball.

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What they’re saying

“This is a huge moment for the Automated Ball-Strike System and for the future of umpiring in baseball.”

— Rob Manfred, MLB Commissioner

“I'm not a big fan of the robo-umps, but you have to give credit where it's due. Basallo made the right call there.”

— Evan Carter, Texas Rangers Outfielder

What’s next

MLB officials are expected to closely review the incident and consider any potential rule changes or adjustments to the Automated Ball-Strike System based on the outcome.

The takeaway

Basallo's successful challenge demonstrates how the new robo-ump technology can be used to improve the accuracy of ball and strike calls, though the system's long-term impact on the game remains a topic of debate among players, umpires, and fans.