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CV Synergy

CV Synergy was established in 1995 and is the only travel program endorsed and supported by Castro Valley Girls Softball League (CVSGL).  CVGSL is a non-profit organization providing girls between the ages of 4-18 the opportunity to participate in recreational softball and competitive travel team program at the ASA Junior Olympic “A” and “B” levels.  CV Synergy travel program has produced numerous teams within the ASA Junior Olympic “A” and “B” divisions and has successfully competed at ASA National, and PGF National tournaments.  Additionally, we are extremely proud that many former CV Synergy players have received college scholarships to play softball at Divisions I, II, III  and NAIA.


Castro Valley Synergy 14U Spring 2020 Dec 1 tryouts is postponed

Dec 1 tryout is postponed due to weather. Last tryout will be held at a later date TBD.

For more information or private tryouts, please contact Scottie Mendoza at, (626) 261-3469.

Synergy 14A - Black Widow Gold Bracket Champions - Hayward 10/13/2019

Girls played with heart and sould and executed when needed!
Went 4-0-1 this weekend and took home the Gold Bracket Championship winning 10-0 in the championship game!

Synergy 14A - Diamond Classic Silver Bracket Winner - Hayward 9/22/19

Congratulations to Synergy 14A for winning the Diamond Classic Silver Bracket in Hayward 9/22/19.

Synergy 12A - Shooting Star Gold Runner Up - 7/7/2019

These girls played with heart, battling hard in the heat and wind for 4 games on Sunday.

Synergy 12A - Easter Saturday - Silver Bracket Winners 4/20/19

These girls battled through intense winds and six back-to-back games to come out on top!

Synergy achievements through the years

  • Synergy 14U Black Widow Gold Bracket Champions - Hayward 10/13/2019
  • Synergy 14A - Diamond Classic Silver Bracket Winner - Hayward 9/22/19
  • Synergy 12A AST Easter Saturday Silver Bracket Winner 2019
  • Synergy 12A Shooting Star Gold Runner Up 7/7/2019
  • Synergy 12B Keilani Rickets Gold Bracket Runner up 2018
  • Synergy 12C CSA Napa Summer Champs
  • Synergy 12U ASA NorCal Championships 2018 - qualified for Cal State Games
  • Synergy 10B USA Spooktacular runner ups 10/29/2017
  • Synergy 14A 1st to 3rd Monster Mash for Cash Champions 10/22/2017
  • Synergy 10B USSSA Monster Bash Champions 10/22/2017
  • Synergy 10U Strawberry Jam Gold Champions 7/23/2017
  • Synergy 10U - Mendoza, Runner-up Gold Bracket Wess Jones Memorial 7/9/2017
  • Synergy 10U - Green, Runner-up Silver Bracket Wess Jones Memorial 7/9/2017
  • Synergy 16A - USSSA Double Double 16/18U Gold Champions 6/25/2017
  • Synergy 16A - USSSA Pride 16/18U Mistlin runner-up 6/18/2017
  • Synergy 12A Runner-up Petaluma Father's Day Tournament 6/18/2017
  • Synergy 10B Classic Twister Silver Runner-up 6/11/2017
  • Synergy 14A Norcal Finest's 4th Annual Invitational - Silver Champions - 4/2/2017
  • Synergy 16A 2017 Summer Team
  • Synergy 8B Fall - Monster Bash Runner Up 10/23/2016
  • Synergy 8B Fall - Play for the Cure 2016 Champions 10/2/2016
  • Synergy 16A Fall - Swing4Fences Runner up 10/2/2016
  • Synergy 8B Fall - Battle of the Bats Champions 9/18/2016
  • Synergy 14A Triple Crown World Series Reno Bronze Champions 7/23/16
  • Synergy 8B Summer Slam Silver Champions 7/10/2016
  • Synergy 18G NSA State Champions 7/5/2016
  • Synergy 12A NorCal Association Championships 3rd Place 6/19/2016
  • Synergy 14A Gumball Champions 6/12/2016
  • Synergy 14A Halloween Bash Champions 11/1/2015
  • Synergy 14A Monster Bash 2nd Place 10/25/2015
  • Synergy 14A Pink Panther 10/11/2015
  • Synergy 12A ASA Powerforce II Champions 9/28/2015
  • Synergy 18G NSA State Champions 2015
  • Synergy 12A ASA Nationals Roseville 2015
  • Synergy Teams Summer 2015

Looking for Coaches

The Castro Valley Synergy Softball program is looking for qualified coaches for the 2019 season. If you are interested please contact Stuart Siu at