MLS returns to U.S. Open Cup in 2027: All 27 teams set to participate for first time since 2024

- U.S. Open Cup: 4 events in the last 90 days
- Previous: earlier the same day · MLS set for full U.S. Open Cup return after three years of limited participation
What happened
The tournament will feature a 96-team field, expanded 20-player matchday rosters, and a $1 million prize, with the final shifting to December to ease schedule congestion.
Summary assembled by rule from the sources below