What happened: The Arizona Diamondbacks sent Fourth of July greetings as the United States celebrated its 250th birthday on Saturday. The club joined teams across Major League Baseball in marking the semiquincentennial with holiday messages to fans.

Why it matters: The 250th anniversary of American independence is a once-in-a-generation milestone, and July 4 has long been one of baseball's signature holiday dates. Clubs around the league leaned into the occasion with patriotic messaging as the 2026 regular season rolled through its holiday slate.

What to watch: The Diamondbacks continue their 2026 regular-season schedule through the holiday weekend.