I find that the Sox fans hate the Cubs, but the Cub fans tend to not care about the Sox. I listen to a lot of sports radio, 1 station is the Sox broadcaster, another the Cubs (more of a news station), & the third broadcasts none. I am from MI so my teams are the Detroit teams, so I root against the Sox & sort of for the Cubs.
The Sox won the World Series in 2005 & the Cubs last in 1807 or so. (My Tigers have won it twice in my lifetime & were in the WS once but lost.) So it is interesting how some of the Sox fans have a inferiority complex; the Cubs basically sell out every game & the Sox tend to play to 1/2 to 2/3 full houses. The Sox fans don't go to the games if their team is playing bad but the Cubbies fill their Wrigley Field no matter what.
The Sox fans tend to be extremely high or low depending on how the Sox played in the last game (IMO listening to the radio); whereas, the Cub fans tend to support their team & expect them to get better. This year the Cubs were a favorite to win their division but the Sox were expected to be in the running because of the weakness of their division.
It is an interesting sociological phenomenon to listen to the fans of each.
We picked the Red Sox because they lose. If you root for something that loses for 86 years, you're a pretty good fan. You don't have to win everything to be a fan of something.
“What good are fans? You can't eat applause for breakfast. You can't sleep with it.” Bob Dylan
“Chicago Cubs fans are ninety percent scar tissue.” George F. Will
fanatic (n) a person filled with excessive and single-minded zeal, See note at zealot .
• [often with adj. ] informal a person with an obsessive interest in and enthusiasm for something
ORIGIN mid 16th cent. (as an adjective): from French fanatique or Latin fanaticus ‘of a temple, inspired by a god,’ from fanum ‘temple.’ The adjective originally described behavior or speech that might result from possession by a god or demon, hence the earliest sense of the noun [a religious maniac] (mid 17th cent.).