Mountainside JBO

Mountainside JBO Mountainside JBO is an Oregon non-profit youth baseball league that plays in the Junior Baseball Org Why JBO? What's the difference?

Teams:
*There are 3 primary age Divisions in JBO- Seniors (7th/8th), Juniors (5th/6th) and Minors (3rd/4th).
*Players are placed onto teams based on three skill levels per Division- Federal (highest level), American (Mid) and National. This provides an appropriate level of competition and allows kids to thrive in a level against like talent and development.
*Teams stay together as a team unit fo

r the entire season, all the way through the postseason. There are no "all-star" teams per se- the team is the all-star team, affording everyone the opportunity to experience postseason play.
*JBO uses high school baseball rules. This allows youth to develops a complete understanding of the more advanced game of baseball and better prepares a kid to excel at the high school level.
*Players learn advanced situational baseball skills, including base stealing and smart base running, leading off, etc. Pitchers and position players learn how to properly defend aggressive base running at an early level, so it is fluent by high school.
*JBO leagues are direct feeder programs to the local high school teams. Where possible, we work with the Mountainside High baseball coaches on clinics, tournaments, and evaluations. Fields:
*Fields grow as the players grow, allowing an easier transition and optimal development.
*Players have a smooth transition to high school full-size baseball diamond. Minors (3rd-4th): 45' pitching/ 60' base paths

Juniors (5th-6th): 50' pitching/ 70' base paths

Seniors (7th-8th): 60.6' pitching/ 90' base paths

06/01/2026

Mountainside Sr. American battled hard all weekend!

Saturday they took two wins home.

Sunday they came back and played Spartans for a 9-8 loss but DANGGGG…against a Fed team these boys looked 🔥

They didn’t give up too easily. Won a game against Sunset by 1 then back up to play the Spartans again. It might not been the end result they hoped for but this group is beyond proud of how hard they worked to take 2nd place.

Well done boys. Never give up!

These guys did their thing this weekend!!! Mountainside Senior Fed battled back from a loss on Saturday and won the silv...
05/18/2026

These guys did their thing this weekend!!!

Mountainside Senior Fed battled back from a loss on Saturday and won the silver bracket on the road! Way to go boys! 🙌🏻

🏆 CHAMPS! 🏆The Mavs are your Reedville Minor American Tournament Champions!Way to battle, Mavs! ⚾️🖤💙
05/18/2026

🏆 CHAMPS! 🏆

The Mavs are your Reedville Minor American Tournament Champions!

Way to battle, Mavs! ⚾️🖤💙

2nd place at the Yamhill Tourney this weekend 💙 ⚾️Proud of the way these boys battled, supported each other, and compete...
05/18/2026

2nd place at the Yamhill Tourney this weekend 💙 ⚾️

Proud of the way these boys battled, supported each other, and competed this weekend. Great job, Mavs!

⚾️⚾️⚾️ Congratulations to the Senior National Stampede 2026 Champions! 🏆💥🏆
04/27/2026

⚾️⚾️⚾️ Congratulations to the Senior National Stampede 2026 Champions! 🏆💥🏆

⚾️⚾️⚾️Congratulations Senior National Team Champions! 🏆
04/27/2026

⚾️⚾️⚾️Congratulations Senior National Team Champions! 🏆

STAMPED. ✔️SEALED. ✔️CHAMPIONS. 🏆Senior National Mavericks take the Stampede Tournament!
04/27/2026

STAMPED. ✔️
SEALED. ✔️
CHAMPIONS. 🏆

Senior National Mavericks take the Stampede Tournament!

04/26/2026

2:15 PM. Championship. Let’s go. 💥

Senior National Team is ready.
Time to bring it home.

IT’S CHAMPIONSHIP TIME. 🔥Our Mountainside JBO Senior National Team takes the field today at 2:15 PM for the Championship...
04/26/2026

IT’S CHAMPIONSHIP TIME. 🔥

Our Mountainside JBO Senior National Team takes the field today at 2:15 PM for the Championship!

They’ve battled, they’ve earned it, and now it’s time to finish strong.

💙 Come out and support these athletes as they go for it all.
📍 Be loud. Be proud. Be there.

⚾️ Baseball Fundraiser ⚾️Shop here 👉🏼 https://www.baseballism.com/  to support  Mountainside JBO from February 1–28. Use...
02/01/2026

⚾️ Baseball Fundraiser ⚾️

Shop here 👉🏼 https://www.baseballism.com/ to support Mountainside JBO from February 1–28.

Use code Maverick97007-26 at checkout, and 25% of your purchase will benefit our JBO program. 🩵🖤🤍

Address

12500 SW 175th Avenue
Beaverton, OR
97007

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