Since 2022, MLB has mandated that at least 156 balls get prepared for every game, each getting at least a 30-second rub with the mud within a three-hour period.

Since 2022, MLB has mandated that at least 156 balls get prepared for every game, each getting at least a 30-second rub with the mud within a three-hour period.. Bintliff said MLB purchases tubs ...

Each Major League Baseball (MLB) team’s equipment manager applies it to every game ball. ... He wanted to see if the mud actually makes balls perform better, as players claim.

The unique properties of baseball's famed 'magic' mud, which MLB equipment managers applied to every ball in the World Series, have never been scientifically quantified -- until now. Researchers ...

The “magic mud” has become quite famous thanks to its longtime use in Major League Baseball (MLB). In fact, it’s been applied to the baseballs for every game for more than 80 years.

Since the 1940s, baseball players have been spreading a special kind of "magic mud" on new baseballs to reduce the slick, glossy shine and give pitchers a firmer grip.

The game underwent a major paradigm shift in the third decade of the 20th century. It resulted from a combination of factors, including stricter rules regarding what types of pitches would not be ...

MLB balls are rubbed with mud while sand is applied to NPB balls to reduce gloss before games. Japan’s Official Baseball Rules specify that the “umpire should inspect balls to confirm their ...

And as Major League Baseball clamps down this month on pitchers using foreign substances to doctor balls, this mysterious mud remains the only agent approved by the league to be applied to baseballs.

For years, a special mud has been rubbed on every baseball before every major league game to make it less slippery. The mud’s story dates to the 1930s, and MLB still relies on one small supplier.