Paywall of course. I haven't read it, just passing the link along, Brit and Dan wrote it.
https://theathletic.com/1668052/2020/03/16/arranged-marriage-gone-awry-inside-the-orioles-nationals-fight-for-fans-masn/
As for the first two paragraphs that were free, duh, anytime a local team is in the series the bandwagon pulls into town.