This story needs to be a movie. A very stereotypical Boston movie, as parodied by Seth Meyers.
The debauched history behind the famous, jealous-little-sibling tshirt "YANKEES SUCK" is full of drugs, rock n roll, and mob violence. Yikes!
Full story at Grantland.
http://grantland.com/features/yankees-suck-t-shirts-boston-red-sox/