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RBGSL Grand Slam Summer Jam

The 2020 Grand Slam Summer Jam Is Coming Soon!

June 5-7, 2020

We look forward to seeing all of the teams for a fun-filled weekend of softball!

2020 Per Team Fee - $550

Learn More Here

RBGSL has been hosting its All-Star post-season tournament, the "RB Grand Slam Summer Jam" for more than 30 years.  The tournament typically hosts teams from all over southern California, including San Diego, Riverside, Orange and Los Angeles counties.

Please email our Tournament Director with any questions at [email protected].

  Don't forget the many local attractions while you are here as well!

Balboa Park
Sea World
San Diego Zoo and San Diego Zoo Safari Park
Belmont Park
Many Great Beaches and more!

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