Mount Si Baseball

@MountSiBaseball

The official account of Mount Si High School Baseball. Member of the KingCo 4A Conference. 2011 WIAA State Champions! #GoCats #WintheDay

mountsibaseball.com Joined February 2018

175 Following 520 Followers 527 Posts

Latest posts 5

Mount Si Baseball @MountSiBaseball Apr 10

Thanks for coming @PrepBaseballWA great night in the Valley!

Prep Baseball Washington Verified account @PrepBaseballWA Apr 9

FINAL/5: Mount Si 11, Hazen 1

The Wildcats dominated, scoring in nearly every inning en route to the run-rule victory

#uncommitted ‘27 INF Jacob Flores (@MountSiBaseball) ends it in the 5th with a well-struck three run triple

@PB_Uncommitted

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Mount Si Baseball @MountSiBaseball Dec 19, 2025

Special shoutout to our former Cats who came out this morning! Great to have you all back! #GoCats #Brotherhood

Mount Si Baseball @MountSiBaseball Dec 19, 2025

Whakapapa. Layers of History.
Holiday Hammer 2025… The tradition continues for year 5. Amazing to see all the former Cats come by to support or join in on the fun! See everyone in 2026! #GoCats #WinTheDay

Mount Si Baseball @MountSiBaseball Sep 26, 2025

A recent episode of The Valley Voice starred Mount Si Varsity Assistant Coach and owner of Decater Performance Derek Decater! Give it a listen… we’re lucky to have Coach D!
instagram.com/p/DO8lKOzkYlb/…

Mount Si Baseball @MountSiBaseball Jul 20, 2025

Congrats 2026 OF @ChaseWMentink on being named Pac NW all tournament team! #GoCats

PNW Regional Baseball @PNWBaseball Jul 19, 2025

2025 PAC NW Games '26 All Tournament Teams❗⚾⭐

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