First they met on the pitch, and now in the dugout. It will be a moment to make even the most fervent football supporter sit back and reflect. Tonight, two legends, Pep Guardiola and Steven Gerrard, will do battle as Premier League bosses.
It will be their first encounter since their infamous showdown in the 2001 UEFA Cup semi-finals, an occasion which has forever been etched in history.
This is because a picture of a fresh-faced Gerrard trying to give Guardiola a handshake has been dug out of the archives. The latter, having found himself on the losing side, appeared to snub the offer as he walked solemnly off the pitch.