MLB leans on longtime mud supplier, not Rawlings, to coat balls - Sports Illustrated
Bullet Ball
Baseball (ball) - Simple English Wikipedia, the free encyclopedia
Baseball (ball) - Wikipedia
The Evolution of the Baseball From the Dead-Ball Era Through Today | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
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The end of rubbing mud? MLB experiments with new baseballs - DRaysBay
Rawlings MLB Official Baseball | Rawlings
Amazon.com: No Worry Sports All-American Plain Blank Baseball for Adult and Youth Competition, League Play, Practice, Autographs, and Crafts (Single Ball) : Sports & Outdoors
MLB using different balls? Juiced balls? Here's why everybody is mad
Japan's Standardized Baseballs Are Popular With Pitchers - The New York Times
SPARK CATCH Light Up Baseball (Switch Version), Glow in The Dark Baseball, Perfect Baseball Gifts for Boys, Girls, and Baseball Lovers, Official Baseball Size and Weight with Genuine Leather (Blue)
We X-Rayed Some MLB Baseballs. Here's What We Found. | FiveThirtyEight
MLB reportedly used two different baseballs in games in 2021