OSA Union Cup Mother’s Day Tournament Set to Bring Big Action to Westminster
The soccer fields of Westminster are about to come alive with energy, excitement, and opportunity as the OSA Union Cup […]
Open Soccer Alliance
Open Soccer Alliance USA Announces Partnership with GotSoccer for Player Registration
Strategic Agreement Aims to Streamline Registration and Enhance Soccer Participation Open Soccer Alliance USA (OSA) has officially partnered with GotSport,
OSA Renews Sanctioning with USASA, Strengthening Its Commitment to Soccer
OSA Continues Path in the U.S. Soccer Landscape Open Soccer Alliance (OSA) proudly announces the renewal of its sanctioning by
Mesoamerica-San Carlos Crowned 2025 Adult State Cup Champions
It was a picture-perfect Sunday evening at the Great Park Championship Soccer Stadium in Irvine as Mesoamerica-San Carlos, the reigning
OSA Welcomes Ron Gilmore To Our Team
Ronald Gilmore grew up working in equipment, game day operations and team administration for the San Jose Earthquakes of the
Open Soccer Alliance and LA Sports Today Announce Strategic Partnership
In a groundbreaking move set to elevate semi-professional soccer in Southern California, Open Soccer Alliance (OSA) and LA Sports Today