Living in Boston, I've learned to love the abundance of sports bars and pubs and loathe the sports fans who inhabit them. I imagine the same would hold true if the scenery shifted to New York, with one notable exception - there are zero New York-friendly bars in Boston. Everything is too small, too homogenous, and too centered on the Red Sox.
On the rare occasion when I venture to a pub for games, I've been forced into a series of knee-high fist pumps under the table, coupled with some discreet, satisfied nodding. That's a sad existence for any Sox or Yanks fan.
In my travels around the Boston area, I've seen Georgia Bulldogs, Minnesota Vikings, and New Orleans Saints all represented in local watering holes, but Googling 'yankees bar boston' returns simply...
Yankees/Red Sox Rivalry Commandments