https://yestino.com/zh-CN/entities/open-cup-1dd5a7与 Open Cup 相关的全部事件zh-CNhttps://yestino.com/zh-CN/events/mls-announces-full-participation-in-2027-us-open-cup-52e9b7https://yestino.com/zh-CN/events/mls-announces-full-participation-in-2027-us-open-cup-52e9b7Wed, 02 Sep 2026 12:07:00 GMTBy MLSsoccer staffMajor League Soccer has announced that all 27 of its United States-based clubs will compete in the 2027 Lamar Hunt US Open Cup, the nation’s… 来源：Yahoo Sports