The "Liberty Cup" is the name of the annual college football showdown between Columbia and Fordham, which together make up two of the three D-I college football programs in New York City. Such a large number of alumni and students from the two schools were killed in the September 11, 2001 attacks (36 for Fordham, 43 for Columbia) that the game was branded the "Liberty Cup" in commemoration.
This year Fordham has a little something extra planned to honor all those affected by and lost in the attacks.
This description of the unique uniforms is offered via the official Fordham Athletics website:
The uniform numbers will feature the stars and stripes of the American flag as will the Block F decal on the helmet. On the back, jerseys will feature NYPD, FDNY or PAPD to honor the brave members of those departments who perished on 9/11 and those who bravely worked at Ground Zero and continue to protect us today.
The game will take place at 1 p.m. ET on Saturday, September 21 at Fordham. Columbia leads the series 12-9.