It is not unreasonable to ask people to move to an area where people aren't trying to work, even if the event is live. Many people do not care about <x>ball and would like to work, and typically an office is the place where you are supposed to do that. Having the game on in the common work area is incredibly distracting with people cheering.

Many people who are trying to work do not care if the event is live. Even as someone who also enjoys watching rocket launches, I wouldn't cheer loudly when it took off, and I'd probably go to some kind of common area to watch it to begin with.