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Where does MLB get its dirt?

Author

Emily Ross

Published Jan 16, 2026

According to The Wall Street Journal, 2/3 of the 30 major league teams get their infield dirt from the DuraEdge Products Soil Farm in (I'm not making this up) Slippery Rock, Pennsylvania. It makes sense that major league dirt would come from a town called Slippery Rock.

Where does MLB get the dirt?

“Most people have no idea that the infield mix for Major League Baseball, from San Diego to Boston, comes from Slippery Rock, Pennsylvania,” said Grant McKnight, president and founder of DuraEdge. Infield soil falls from a conveyor belt at DuraEdge's plant in Plain Grove.

What dirt does MLB use?

For Major League Baseball, the infield mix is a bit different: 55 percent sand, 30 percent clay, and 15 percent silt. The key to these three components existing in a Field of Dreams harmony is the moisture level associated with the mix.

Who supplies the MLB mud?

BURLINGTON CO., New Jersey (WPVI) -- When pitchers across Major League Baseball take to the mound, they rely on a secret ingredient that comes from a fishing hole in southern New Jersey. The special mud they put on the baseball is one-of-a-kind and has quite the history behind it. It also contains a big secret.

Where do the materials for a baseball come from?

“Raw materials come in from Tennessee, New York, Alabama and Ohio” (Luxner). For the manufacturing stage, there are many raw materials that are used, such as cowhide, rubber, fabric, and the cork. The leather exterior of a baseball is made from cowhide. Before 1974, the baseball exterior was made from horsehide.

40 related questions found

Where are MLB baseballs manufactured?

"Rawlings manufactures Major League balls on a rolling basis at its factory in Costa Rica. Generally, balls are produced 6-12 months prior to being used in a game.

Where are baseballs manufactured?

Today, about 80% of baseballs used worldwide are made in China. However, official baseballs for Major League Baseball are made by Rawlings in Costa Rica under an exclusive contract. Each year, Major League Baseball teams use nearly one million baseballs over the course of a season.

Do they rub mud on MLB baseballs?

All MLB game balls have been rubbed down before the game using a special mud from a top-secret location somewhere in New Jersey. This has been true for games played in the American League since 1938 and for most major and minor league games in the U.S. since the 1950s.

Do umpires still rub baseballs with mud?

For decades, baseball's official rule book has required that every ball be rubbed before being used in a game. Bintliff's mud is the only substance allowed.

Do MLB baseballs get rubbed with mud?

Each ball in major and minor league baseball is rubbed with a special mud for the purposes of removing the shine and making it less slick.

Why do baseball diamonds have dirt?

The dirt infield gives them more traction and better grip, helping them to stay on their feet and avoid injuries. In addition, the dirt surface speeds up the balls coming off the bat.

Why does baseball have dirt?

Brown said DuraEdge infields are easier to maintain, sturdier and less prone to “chunking” when a player slides or pivots, resulting in fewer funky baseball hops. Plus, the clay is absorbent, letting teams play in rain and even preventing costly postponements.

Why do they water the dirt in baseball?

To the grounds manager on a baseball field, watering dirt is about ensuring that the entire soil profile players hit, pitch, run and field on has sufficient moisture not just on the surface, but through the surface.

What happens to MLB baseballs that hit the dirt?

These days these days any baseball that touches a dirt surface is pretty much immediately thrown out of play. Some of those balls are then used for batting practice and some are shipped to minor league teams. Of course the actual number of baseballs used each game will vary throughout each game of a season.

How much does the ball boy make in MLB?

While ZipRecruiter is seeing annual salaries as high as $79,500 and as low as $13,500, the majority of Ball Boy salaries currently range between $23,000 (25th percentile) to $41,000 (75th percentile) with top earners (90th percentile) making $53,500 annually across the United States.

How many balls do umpires carry?

Generally, the pouches can easily hold about half a dozen balls each. Any more than that is problematic for a number of reasons, not the least of which is running from one base to another. Of course, it's a matter of personal preference, since some umpires use one bag and some two.

Why do pitchers wrap their arms in towels?

Even during the hot summer months, pitchers do whatever they can to keep their arms warm between innings. You often see pitchers wrapping their arms in towels in the dugout to stay loose.

Why do they throw away so many baseballs?

Catchers constantly change baseballs because it is a rule set by the MLB and enforced by umpires. If an umpire notices a ball is scuffed or has dirt on it, a brand new baseball must be introduced into the game. This rule is in place to ensure hitters are able to clearly see every pitch.

What does MLB do with used balls?

Umpires discard dozens of others after they've been dinged by a bat or bounced in the dirt. The Cardinals prepare 120 baseballs for every game. On an average game day, between 40 and 60 used baseballs will end up in the Authentics Shop.

How much does baseball mud cost?

(A “personal size” half-pound container of mud sells for $24.) Each MLB team gets 12 pounds for spring training and the regular season, he said. Dan Wallin, the Nats' equipment manager, said it takes him or a clubhouse assistant about 45 minutes to rub the mud on the 12 dozen baseballs that are prepared for a game.

How many balls are used in a MLB game?

On average, 84 to 120 balls are usually used in one average MLB game. By calculation, it means that 30 teams use about 1,550 balls in a single day. According to an equipment manager at MLB, the most amount of balls used in one game is about 120 baseballs.

What are MLB baseballs made of?

The ball consists of a rubber or cork center wrapped in yarn and covered with white natural horsehide or cowhide, or a synthetic composite leather. A regulation baseball is 9 to 91⁄4 inches (229 to 235 mm) in circumference (just slightly under 3 inches or 7.5 cm in diameter), with a weight of 5 to 51⁄4 oz.

Are baseballs still made in Haiti?

But even that little remuneration started to dry up in 1990 when Rawlings shuttered its plant in Haiti, citing political unrest. It moved its baseball manufacturing to Costa Rica.

Are MLB baseballs handmade?

Baseballs are still hand sewn. Rawlings Sporting Goods, Inc. (now part of Jarden Team Sports), in Costa Rica has an exclusive contract to produce "professional" baseballs for the Major Leagues. The amateur baseballs we throw around in the backyard are manufactured elsewhere.

Where is Rawlings made?

Rawlings has been making baseball gloves since 1887. Despite diversifying overseas, Rawlings' pro model and custom gloves are still made in Washington, Missouri. You can do what the pros do and have your glove tailor-made to your exact specifications at Rawlings' Missouri factory.