When Jamie Carragher was spotted wearing Everton clobber while interviewing Romelu Lukaku, Liverpool fans went into a frenzy.
Even though the Anfield legend was a boyhood Toffee, the thought of him wearing their rivals' colours had supporters getting the creeps.
But he's certainly not the first to be sporting a shirt we're not used to seeing them wear, over the years a number of superstars have sported some strange jerseys, including those of their rivals.
So, here at talkSPORT, we've gathered a collection of pictures of players wearing shirts you would never expect to see them wearing.