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MLB to alter baseballs for 2021 season
Don't blink: The science of a 100-mph fastball | Mariners Preview 2017
Sticky baseballs: Explaining the physics of the latest scandal in Major League Baseball
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MLB reportedly used two different baseballs in games in 2021
Yes, the baseball is different — again. An astrophysicist examines this year's baseballs and breaks down the changes - The Athletic