Rubber
The white rectangular slab on the pitcher's mound. The pitcher must be in contact with it when delivering the pitch.
Why "Rubber" Matters
Understanding rubber helps you follow field situations during a baseball game. Pair this with our rules guide, positions overview, and the full baseball glossary.
Related Field Terms
- Alley
The gaps between the center fielder and the corner outfielders. Also called "power alleys" or "gaps." - Dugout
The bench area where players sit when not on the field, located along the first and third base lines. - Hot Corner
Nickname for third base, because of the hard-hit balls that come at the third baseman. - Mound
The raised area in the center of the diamond where the pitcher stands. It's 60 feet 6 inches from home plate and 10 inch