Immediately after the final out in the top of the fourth inning, fans atop the Green Monster unfurled a large black banner that read: "Racism is as American as baseball" in all capital letters during tonight's game at Fenway Park.
The banner remained until just before the bottom of the inning, when ballpark security seemed to confiscate the banner and escort the fans out of the seating area.
Racism has become a heated topic around the Red Sox this season.
On May 1, Orioles outfielder Adam Jones said that at least one Red Sox fan had called him a racially derogatory term, and another threw a bag of peanuts at him.