Phoenix · Scottsdale · Tempe · Mesa, Arizona · October–November · The Crown Jewel
Teams Every Year
Players
Age Divisions
Spring Training Sites
Every fall, over three weeks, ~300 teams and 6,000 players — families in tow — take over the MLB Spring Training fields in the Phoenix metro area. Teams play five or six pool games, then the top teams advance to single-elimination playoffs.
From 18+ Open to Father/Son to the 80+ Legends division, the World Series is where MSBL players of every generation come to compete, bond, and create memories that last a lifetime.
Spots fill fast — contact us to secure your division
631-753-6725[email protected]Sign WaiverDownload the full PDF
View on TeamSnap
All 13 official rules
Special older division rules
Required for WS — order via Game One
Hotels & travel deals for players
Championship history 1988–2001
The World Series takes over the Phoenix metro's premier Spring Training facilities — the same fields where Major League teams prepare for the season.
The World Series fields more age divisions than any other amateur tournament — from 18+ Open to the 80+ Legends bracket and a Father/Son division.
Open
Adult
Senior
Masters
Masters
Veterans
Veterans
Classic
Classic
Diamond
Legends
Father & Son
Download the 2026 Division Listings PDF for full bracket details.
The 2025 MSBL/MABL World Series was played across the Phoenix metro. Below are the champions from each division and conference.
Full championship history available on the Champions page.
Championship game summaries from the 2025 MSBL/MABL World Series, as submitted by team managers.
def. Las Vegas Mastiffs 11–2
Read Story25+ Mountaindef. Indy Orioles 8–4
Read Story35+ Cactusdef. Houston Gamblers 10–6
Read Story45+ Nationaldef. OC Snappers 18–13
Read Story55+ Nationaldef. Yonder Travelers 6–1
Read Story55+ Cactusdef. Rochester Red Wings 1–0
Read Story60+ Nationaldef. North County Waves 16–1
Read Story60+ Cactusdef. Arizona Stallions 9–1
Read Story60+ Desertdef. Colorado Falcons 14–4
Read Story65+ Nationaldef. Sacramento Royals 14–6
Read Story65+ Desertdef. Seattle Mariners 18–10
Read Story70+ Nationaldef. LA Athletics 13–3
Read Story70+ Centraldef. Sacramento Tribe 10–3
Read Story70+ Cactusdef. Paladin 9–3
Read Story73+ Nationaldef. LA Athletics 6–4
Read Story75+ Nationaldef. RI Salty Dogs 17–5
Read StoryFather/Son Americandef. TABU 15–6
Read StoryFather/Son Cactusdef. Blue Dogs 4–2
Read StoryFather/Son Desertdef. Utah BSD 8–4
Read StoryRegister your team for the 2026 MSBL/MABL World Series and make some memories on a big-league diamond in Arizona.
Email to Register631-753-6725