MLB will test moving the pitcher's mound back 1 foot to 61 feet, 6 inches - Chicago Sun-Times
Atlantic League plans to move back pitcher's mound 12 inches - The Washington Post
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Major League Baseball is making Black Lives Matter center stage on Opening Day | FOX 4 Kansas City WDAF-TV | News, Weather, Sports
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Atlantic League to move mound back, alter DH rule in 2021 - Sports Illustrated
Atlantic League to try moving pitcher's mound back 1 foot, new DH rule: Sources - The Athletic
A case for moving the pitcher's mound back in Major League Baseball - Diamond Digest
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A Major Change in the Minors: Baseball Moving the Mound Back - The New York Times
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