Obstruction and Interference

Obstruction and interference are two of the most common and challenging rulings you'll face. In the heat of the moment, they're often difficult to determine. Making either call is an acquired skill that comes with game experience, a confident knowledge of the rules and a few simple tips.


In this section you'll find simple explanations and instructions on how to enforce the rules for the most common scenarios involving base runners.  Most beginners will benefit by reading each section in order.



Site Glossary
Definitions from the Little League Rule Book and terms used on this site.
LL101 Site Glossary Version 5.pdf
Adobe Acrobat document [607.9 KB]


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