Crystal Palace have clashed with Brighton & Hove Albion 100 times over the course of the two club's history, with tomorrow's game set to be fixture No.101.
So we've taken the chance to look back over the rivalry and picked out 20 of the best images from past years, starting roughly where it all began: Allan Mullery in 1976.
Take a scroll through the gallery above and see how many of the photos, faces and occasions you recognise.
Can't make Selhurst tomorrow? Grab your Palace Audio pass for the rest of the season for just £10 instead!