OSA Competitions.
A pathway for every stage of the game — from grassroots youth development to semi-professional men's soccer, all under one merit-based alliance.
Whichever division you're in, OSA means transparent competition, professional operations, and a real path forward.
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division.
Summer Season 2026
OSA's flagship summer competition returns — regional play across Southern California with guaranteed matches, certified referees, and a clear path toward playoff glory.
Learn MoreOSA Mens League
Serious competition with professional support. Choose Full-Service Membership — OSA handles referees, field access, registration, scheduling, and media — or Independent Membership, where clubs manage their own fields and admin while competing in a high-quality, full-season league.
Learn MoreU19 Edge Elite Division
Where ambition meets opportunity. High-level, competitive play with real prize money on the line — the bridge between youth and adult soccer.
Learn MoreOSA Youth League
Character-driven development for $475 per season. Expert coaching, top-tier facilities, structured competition, and a strong emphasis on discipline, leadership, and academic excellence — shaping champions in life, not just on the field.
Learn MoreOSA Women
Stay tuned for more details! OSA Women is coming soon — join our mailing list via the contact section to be the first to know.
Get NotifiedOSA Tournaments
OSA tournaments combine elite competition, a festive family atmosphere, and the exclusive benefits of the OSA EDGE program — offering players scouting exposure and tryout opportunities with professional clubs from Liga MX and MLS.
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