Umpires first began calling both balls and strikes way back in 1864, and baseballers have been arguing about those calls ever ...
MLB will be testing an automatic balls and strikes challenge system this spring training. Here's how it works.
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ABS challenge system early hit as it makes MLB debut in Dodgers-Cubs spring training gameThe automated ball-strike challenge system made its MLB debut Thursday in the Dodgers-Cubs spring training game. It's an ...
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