IN THE News
Victor Valdelamar Returns: Club Puebla’s Top Scout Joins OSA’s Day of the Dead Tournament
The OSA Day of the Dead Tournament in Coachella is about to get even more exciting — as Victor Valdelamar,…
Action Update: Goals, Grit & Great Performances in Westminster
The first weekend in October, at Sarah McGarvin Intermediate School in Westminster, the OSA League delivered another thrilling round of…
Angel Magaña: Chasing Dreams with Family as His Foundation
Angel Magaña Continues Growth in Mexico’s Liga Premier Through OSA EDGE Program Baja California, Mexico — Ensenada FC forward Angel…
A New Era for Aspiring Soccer Talent: The OSA U19 Edge Elite Division
OSA Launches Pathway to Adult Soccer with Prize Money Included In the world of soccer, the leap from youth play…
A New Tradition is Born in Coachella
This November 1st & 2nd, the desert will come alive with color, culture, and competition as OSA proudly presents the…
The 2025 OSA Youth Cup Comes to an Epic Close!
What an unforgettable weekend in Westminster! The OSA Youth Cup wrapped up with incredible energy, fierce competition, and unforgettable moments…
Club América Is Coming to OSA Youth Cup
This Is Your Shot to Be Seen! Get ready for the BIGGEST news of the summer!The head scout from Club…
2025 OSA MENS Season Kicks Off June 28/29
The countdown is over. On the weekend of June 28–29, the 2025 OSA MENS Season officially begins. This isn’t a…
Don’t Miss the 2025 OSA Youth Cup
We’re heading back to Westminster for an even bigger and better event! The 2025 OSA Youth Cup is just around…
Open Soccer Alliance Scouting Opportunities
Another Reason to Keep an Eye on OSA Whether you’re a soccer player looking to be seen by professional scouts…
The 2025 Union Cup Mother’s Day Tournament Crowns Nine Champions in Westminster
CLICK HERE TO CHECK OUT THE PHOTO GALLERY A successful 2025 Union Cup Mother’s Day Tournament took place on May…
Top Professional Scouts and Agencies Align with OSA
Alignment to aid in identifying emerging talent in SoCal Open Soccer Alliance USA (OSA) is making waves across the Southern…
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 USA Receives Official Youth League Sanctioning from Cal South
In a significant milestone for youth soccer development, Open Soccer Alliance USA (OSA) has officially been sanctioned by California State…
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,…
Scorpions U18 Clinch the First-Ever OSA Union Cup Championship
In an exciting game, the younger Scorpions team captured the first Union Cup title with a 5-3 win over FC…
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…
Open Soccer Alliance (OSA) Announces Partnership with Select Sport America
Select Sport America (SELECT) becomes the Official Soccer Ball of OSA Open Soccer Alliance (OSA) is proud to announce an…
Union Cup Tournament Kicks Off in Southern California
OSA-Sponsored Soccer Tournament Kicks Off February 16th at Lynwood High School Southern California’s soccer scene is set to heat up…
Open Soccer Alliance Announces Pedro Magallon As New League President
Open Soccer Alliance (OSA) has announced a significant leadership change. Having recently severed ties with Michael Collins, OSA has now…
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…
Mesoamerica-San Carlos Triumphs Over Classic FC LA
Adult State Cup Opener for Mesoamerica finishes 3-1 On a cold and damp night at Lynwood High School, Mesoamerica-San Carlos…
Mesoamerica-San Carlos begin their State Cup campaign
Current OSA Champions Mesoamerica-San Carlos begin their Adult State Cup journey This Sunday, January 26th, under the bright lights of…
Why OSA is THE League to Join
Open Soccer Alliance registration is now open for 2025 Soccer is more than just a sport; it’s a community, a…
2025 OSA Registration Is Open
Excitement is building as the 2025 Open Soccer Alliance (OSA) season approaches. With registrations now open, semi-professional soccer clubs across…
Mesoamerica-San Carlos, OSA 2024 Champions
Mesoamerica-San Carlos FC triumphs over Laguna Beach FC in rain-soaked thriller In a dramatic championship match on Saturday, November 23rd,…
Mesoamerica-San Carlos Secures Final Spot with 3-0 Victory Over Lions United FC
Mesoamerica-San Carlos dominant in the second half with 3 goals Mesoamerica-San Carlos FC delivered a commanding performance in the semifinal…
Mesoamerica-San Carlos advances in the 2024 OSA Playoffs
Mesoamerica-San Carlos defeats Cal Strikers FC Pro 2-0 Mesoamérica-San Carlos beat Cal Strikers 2-0 in a close match in which…
Download Our OSA Brochure
Available in English and Spanish The Open Soccer Alliance (OSA) brochure outlines its mission to unify and expand American soccer…
2024 OSA Playoffs Kickoff
The 2024 OSA Playoffs Are Heating Up The 2024 OSA Playoffs are heating up, with teams battling fiercely to secure…
Open Soccer Alliance 2024 Playoffs Schedule
As November arrives, so does the excitement of the Open Soccer Alliance 2024 playoffs. Fans from across the league gear…