Sunderland and Bradford are preparing to lock horns in League One this weekend - but how much of their entertaining past can you remember?
There's been a host of memorable meetings between the pair, while several players have featured for both sides, giving the Black Cats and the Bantams a rich history. But how much of that history can you remember? Test your knowledge in our quiz below to see how well you can remember previous clashes between the sides, while we also throw in some trivia on players to have played for both teams. Make sure you tweet us your scores to @sunechosafc!