All form goes out the window during derby matches.
That is especially true of games between Arsenal and Tottenham, which are some of the fiercest and most exciting clashes in all of European football.
North London's arch rivals will once again meet at the Emirates Stadium in both sides' first FA Cup match of the season. One team will suffer an embarrassing derby loss and an early exit from England's premier cup competition.
Let's look back at some of the best matches in the rivalry's history.