During his playing career, former Major League Baseball All-Star Torii Hunter put a no-trade clause to the Boston Red Sox in his contracts because he did not want to play in Boston after having racial slurs directed at him when playing at Fenway Park.
Appearing on ESPN Radio's Golic & Wingo, Hunter said he wouldn't play for the Red Sox as a result of being "called the N-word in Boston 100 times" during his career (starts at 5:30 mark):
In recent years, there have been multiple reports of Red Sox fans directing racist and derogatory terms toward opposing players.