T-Mobile Little League Home Run Derby 2020 Logo

T-Mobile Little League® Home Run Derby

Little League® is proud to partner with T-Mobile to announce the 2nd annual T-Mobile Little League Home Run Derby. Leagues can give their players the opportunity to swing for the fences by hosting a local competition.

Register YOUR LEAGUE

Little League® Rulebook App Now Available!

The Little League® Rulebook App containing the Official Regulations, Playing Rules, and Operating Policies for all divisions of Baseball, Softball, and Challenger is now available for download in both the Apple App Store and Google Play Stores.

Learn More

Download on Apple App Store

Apple App Store Download on Apple App Store

Download on Google Play

Google Play Download on Google Play

Forms and Publications

Little League® provides its volunteers with the most up-to-date forms and publications to assist in local league operations.

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League Finder

The League Finder tool identifies whether a residence or school address is located within the boundaries of an active Little League.

Find Your League

Determine League Age

League age is determined by age charts.

Determine League Age League Age Determination

Age Charts

View age charts for the 2020 season.

View Age Charts Age Charts

Popular Search Terms

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Latest News

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Video Features

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Event Calendar

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January
31st

West Region: Umpire Mechanics Clinic

February
1st

West Region: Umpire Rules Clinic II

February
7th

Southwest Region Roundtable

February
8th

East Region: Umpire Clinic

View Event Calendar