News emerges MLB used 2 types of baseballs in 2021 as labor deadline passes : NPR
MLB reportedly used two different baseballs in games in 2021
MLB leans on longtime mud supplier, not Rawlings, to coat balls - Sports Illustrated
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MLB study can't yet explain juiced ball theories
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What Pros Wear: Rawlings Named 'Official Glove' of Major League Baseball - What Pros Wear
MLB lockout ends: League, players agree on new CBA for 2022 season
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MLB will change its baseballs after record home run rates | The Japan Times
MLB labor dispute: Baseball appears headed for first work stoppage in decades
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MLB lockout ends as MLBPA, owners reach CBA agreement: Five takeaways with baseball set to return - CBSSports.com
Rawlings puts the Ball in Baseball | Think Blue LA
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Here are the new MLB rules for the 2022 season | RSN
Japan's Standardized Baseballs Are Popular With Pitchers - The New York Times
