That depends on which team happens to be in first place at the time you're asking the question.
Probably more Yankees fans because they have more wins then Boston.
absolutely not Yankees are a much better team therefor have more fans
The Red Sox "FANS" hate the Yankee "FANS".
Connecticut is very interesting because it is spit right down the middle. the eastern part of the state is primarily Red Sox fans and the Western part is made up of Yankees fans.
NOPE, NOT THIS YEAR. MAYBE NEXT YEAR. SORRY YANKEE FANS.
Red Sox. Just watch any of there games and the fans in the stands.
Jim Piersall became a victim of taunting in many ballparks as well as in Yankee Stadium.
They call their fans 'Red Heads'.
yellowstone,glaicer,mammoth cave, red woods and more
Manchester United fans, United Fans or Red Devils.
THE BOSTON RED SOX !!!!!!!! No Manchester United 330 million followers (casual fans) while there are 110 million fans... still more people than all nfl teams combined but 220 million casual fans is more than the Yankees nhl and nfl combined in total number of fans