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

Fall Mini Softball Session
September 21 - October 16
  • Register a team Sept. 15 - Sept. 20.  Accepting Select and American Softball Teams Ages 8U-14U.  2021 Age Levels. 
    • NOTE: Any 14U players must be in 8th grade to play games.  STLCO rule.  ​
  • FREE
  • Every team gets up to 4 time slots (1 hour 30 minutes).   You can choose from 1) Practice  2) Scrimmage (you find another team and no umpires), 3) Game (with umpires).
  • Time slots will be 6pm and 8pm on weeknights and 10am, noon and 2pm on weekends.  
  • Register team first, then enter roster and INVITE players to register.  
    • When registering you can choose Select or American Division
  • Games will depend on number of teams registering for this session and age levels.
  • Will follow COVID-19 rules
Fall Select League
League Format (cancelled)
  • 8-Game Season:  September 8 - mid October 2020
  • Double headers - 1 hr 15 min with hard stop
  • Games played any day of the week:  Monday - Friday (6pm, 7:45pm), Saturday - Sunday (9am, 10:45am, 12:30pm, 2:15pm, 4pm)
  • 12U & 14U divisions will not be scheduled on Sundays to allow participation in Feeder League
  • Managers will be given 12  blackout dates to avoid conflicts
  • No standings will be kept
  • All league games played at Chesterfield
  • $775/Team
Divisions - Play 2021 Age Levels
  • 8U (Machine Pitch) for players born 1/1/12 - 12/31/12
  • 10U for players born 1/1/10 - 12/31/11
  • 12U for players born 1/1/08 - 12/31/09
  • 14U for players born 1/1/06 - 12/31/07
Looking For A Team?  Check out our discussion boards
Spring Select League

Our Select League is our most competitive softball league for players ages 8-18.

Registration (2 steps)

1) Returning Teams register Nov. 1st – Dec. 31st and pay $1400 team fee.   As you register the team, you will input an expected roster.  Then you will "Invite" the parent who will get an email with a link to register.  Rosters can be edited and players added or removed as needed.

  • New Teams register Nov. 1st - Dec. 31st.  Contact Age Level Coordinator for permission to register.

 2) Players register.  After registering the team, those expected roster players receive an email with a link to register.  Be sure to check SPAM or junk mail for the email.  Even though manager paid the team fee parents MUST register player and agree to liability wavier.

League Format
  • 14-Game Season, 12-Game guarantee: early April - July 30th
  • 5 Double headers - 1 hr 15 min
  • Team Fee $1,400

4-Game end of season playoff - end of June or early July

  • Elite Division Winner of age playoffs receives $400 toward cost of Nationals
  • Select Division Winner of age playoffs receives trophies
  • Regular Season Double Header Games
    • 18U Tuesdays (6pm, 7:30pm, 9pm) - Starts April 14th
    • 16U Tuesdays (6pm, 7:30pm, 9pm) - Starts April 14th
    • 14U Wednesdays (6pm, 7:30pm, 9pm) - Starts April 8th
    • 12U Mondays & Thursdays (6pm, 7:30pm, 9pm*) - Starts April 2nd
    • 10U Weekdays (6pm, 7:30pm) - Starts April 7th

​* each 12U team will have one 9pm game

  • Tentative Playoff Dates
    • 16U and 18U   June 15-16, Championship game Thursday 18th
    • 14U   June 17-18, Championship game Tuesday 23rd
    • 12U   June 22-23-24, Championship game June 29th
    • 10U   June 24-25, Championship game June 29th
    • Playoff rain out dates (all divisions)   June 29-July 2nd
  • 12-Game Season: early April - June 30th
  • 6 Double headers - 1 hr 15 min
  • Team Fee $1,200
  • Regular Season Double Header Games
    • 8U  Friday - Mondays
  • * no playoffs for 8U division
  • Select:  B or C level teams
  • Elite:  A or high level B teams
2020 Eligibility
CBSA does not allow any player to be on more than one roster, regardless of age, division or league.
  • 8U (Machine Pitch) for players born 1/1/11 - 12/31/11
  • 10U  for players born 1/1/09 - 12/31/10
  • 12U  for players born 1/1/07 - 12/31/08
  • 14U  for players born 1/1/05 - 12/31/06
  • 16U  for players born 1/1/03 - 12/31/04
  • 18U  for players born 1/1/01- 12/31/02
  • Rainouts will be assigned to any of the following dates without discussion.
  • Teams must be available to play:
    • June 2, 3,4, 8, 9, 10, 11,
Select League Coordinators

Your Age Group Coordinator is your primary contact for any questions you may have about managing your CBSA team.


Joe Rohne

Girls 10U Coordinator

Matt Benz

Girls 12U Coordinator

Joe Rohne

Girls 14U Coordinator

Joe Rohne

Girls 16U Coordinator

Maggie Jones

Girls 18U Coordinator

Maggie Jones


Softball Rule Book (updated 3/7/20)

Softball Rules Grid (updated 2/22/20)

Bat Regulations

  • No drop restrictions
  • Must have 2 ¼” barrell
  • Must meet ASA requirements (Rule 3, Section 1) and bear the Official ASA emblem.
  • Baseball bats are not permitted.