Chicago Cubs
From Memory Alpha, the free Star Trek reference.
Sisko wearing a Cubs cap, with the Cubs' team bus in the background
The Chicago Cubs were a professional baseball team from Chicago, Illinois on Earth that was formed during the fledgling years of the sport.
During his first encouter with the Prophets, Benjamin Sisko interacted with several of these aliens, who were portraying Cubs players, participating in an early 20th century baseball game. (DS9: "Emissary")
- According to the "Emissary" script, the Cubs uniforms the Prophets were wearing are from the early 1920s, while Sisko's hat was from 1923.
