Welcome to the Official website for Chesterfield Baseball & Softball Association (CBSA)


    CBSA Baseball Leagues

    We offer baseball programs for boys ages 5-18. Learn about our Training, American, Select and High School leagues.

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    CBSA Fastpitch Softball Leagues

    We offer fastpitch softball programs for girls ages 5-18. Learn about our Training, American and Select leagues.

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    CBSA Baseball & Softball Tournaments

    CBSA runs several Baseball and Softball tournaments at both the Recreational and Select levels each season.

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CBSA: Chesterfield Baseball & Softball

CBSA is the premier youth baseball and softball organization in Chesterfield, MO.
CBSA Baseball Programs
CBSA Softball Programs
CBSA Tournaments
CBSA Announcements
  1. 2020 Fall Mini Session
    Published Tuesday, September 15, 2020
    Hurry Registration Open Through Sept 20th!
    • September 21 - October 16
    • Team Registration Only 
      • Must be 2020 CBSA Spring or Fall Team
      • Select and American Baseball & Softball Teams Ages 8U-14U (2021 Age Levels. (Ex. if you had a 9U team this past spring your team would play 10U this fall and next spring)
        • NOTE: Any 14U players must be in 8th grade to play games.  STLCO rule.  ​
    • Every team gets up to 4 time slots (1 hour 30 minutes)
      • Choose from 1) Practice  2) Scrimmage (you find another team and no umpires), 3) Games with umpires.
      • Time slots Weeknights: 6pm and 8pm,  Weekends: 10am, noon and 2pm  
      • Games will depend on number of teams registering for this session and age levels.
    • Will follow COVID-19 rules
  2. COVID-19 Rule Additions
    Published Wednesday, July 1, 2020

    COVID-19 Rule Additions

  3. Looking For A Team?
    Published Wednesday, January 1, 2020

    If you are looking for a team, be sure to register and then check out our Discussion boards!  Players can review the post in the Teams Looking for Players boards.  You can also post an ad for your player on one of the following:

  4. Check The Rainout Line Before You Head Out!
    Published Sunday, March 1, 2020


    636-537-4770 x2 x1

    Updated by 6:30am on Weekends and 3pm Weekdays


    St. Louis Weather is unpredictable!  CBSA does have an extreme weather policy. If temperatures are excessively hot (or cold), please be sure to check the rainout line before your game time.

  5. 2020 CBSA Tournaments
    Published Friday, October 25, 2019
  6. Looking Back: 2019 Cure For Carson Story on Channel 4
    Published Tuesday, September 24, 2019
    Select Read More for the link to the channel 4 story on the tournament
    read more ...

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Chesterfield Valley Athletic Complex

CBSA is proud to call the Chesterfield Valley Athletic Complex (CVAC) home. CVAC is a 176 acre complex in Chesterfield Valley.
The City of Chesterfield maintains 19 ball diamonds, 14 multi-purpose fields, 12 practice baseball/softball practice fields, four concession buildings, two playgrounds and four parking lots.

Thanks to our Sponsors!

Umpires Needed

  • Must be at least 14 years of age
  • Male & female umpires needed 
  • Starting pay is $25/game
  • No experience necessary
  • Umpire training starts in March