2021-6-24 · 2021 MLB All-Star Week. Published on June 24, 2021. Let''s Play Ball! The City and County of Denver is thrilled to host the 91st MLB All-Star Game at Coors Field on Tuesday, July 13 at 5:30 PM.. Read on for information about what''s happening and how you can safely get to and around the various activities that are a part of the 2021 MLB All-Star Week, July 9 – July 13.