skip navigation


Serving Athletes from the 
Greater Tri-Valley Area Since 1997
Dublin | San Ramon | Danville | Pleasanton | Livermore | Castro Valley | San Leandro

Andrew Lonsdale, President/GM
(510) 909-6718
17915 Lamson Rd | Castro Valley, CA  94546

    Fall Baseball Upper Division (High School Players)

    Schedules have been posted for the Upper Division (9th-12th grade) Fall Season.  Use the link that follows to access.  

    NOTE:  Schedules are always subject to change.  Be sure to refer to emails sent to you by your coach for the most up to date information.

    Returning Player Registration

    FALL Season 2017

    Make a Payment


    are 8/15 & 8/22

    Register NOW!

    TSoxBaseball Thunder Sox Baseball TSoxBaseball

    Our Partners

    These fine organizations make what we do possible. Please show your support to these amazing sponsors and thank them for their commitment to our organization. 

    Cathy Lonsdale - Berkshire Hathaway Home Services - Drysdale Properties

    Visit Website

    As a 30-plus year resident of the East Bay, I "KNOW" your neighborhood.  After successfully owning my own Publishing Company for many years I've made the transition into the highly competitive East Bay Real Estate market. I bring 25 years of experience in marketing and sales to my real estate career. You can count on me to get it done!  


    For every home sold, we make a contribution to the Dublin HS Baseball team.

    Sponsored by Total Player Center

    Total Player Center

    Visit Website
    Sponsored by Prodigy Performance

    Prodigy Performance

    Visit Website
    Sponsored by Livermore Area Parks & Rec.

    Livermore Area Parks & Rec.

    Visit Website