Female Invitational 2026 Set to Showcase Southern California’s Top Girls Soccer Talent
Open Soccer Alliance (OSA) is proud to announce the 2026 Female Invitational, an exciting all-female youth soccer tournament taking place […]
2026 Season
Champions Crowned at the 2026 OSA Mother’s Day Tournament in Westminster
The Open Soccer Alliance USA (OSA) Mother’s Day Tournament concluded this past weekend in Westminster, California, bringing together talented teams
Join the Competition. Get Scouted. Register Now
This May 30th & 31st, the Open Soccer Alliance USA Mother’s Day Youth Soccer Tournament returns to Westminster, California, bringing
Get Ready for Spring Soccer with OSA!
The OSA 2026 Spring Season is officially coming, and excitement is building as teams from across Southern California prepare for