St. Louis has the sixth biggest fan base, Detroit is seventh. Both waaaay bigger than the Sox.
https://www.statista.com/statistics/235719/facebook-fans-of-major-league-baseball-teams/
They are going to trade someone to the Padres for 5 guys. Inexplicably, whoever they trade will immediately either suck or get hurt and they will not be worse off. Seems like the story every year about this time.