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How Major League Baseball's new 'robo ump' challenge system works

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Major League Baseball is back with a new automated ball-strike system, or ABS. In every ballpark, the precise location of pitches will be tracked by electronic monitors. Teams can challenge up to two ball or strike calls in a nine-inning game. John Yang discussed this new era of baseball with Dan Evans, a former general manager of the Los Angeles Dodgers. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy