Given the bitter rivalry between Liverpool and Manchester United, some fans were shocked to see two United shirts proudly displayed in the Reds' away dressing room.
The two most successful teams in the history of English football, the reds of Manchester and Liverpool have faced off 216 times since the first game between the two clubs in 1894.
Both clubs have enjoyed periods of turmoil and success, and each have the same number of trophies with 68 in their respective storied histories.
The rivalry between the two clubs has been described as one of the fiercest in all of football.