Over the years, Manchester United and AC Milan have been responsible for serving up some of the greatest European spectacles of all time.
These two giants of the game have met on 10 occasions in Europe, and rarely have they disappointed.
United were no match for the great Milan teams of the noughties, but got their own back on the last two times these sides met.
Their battle for supremacy over one another is finely poised with five victories apiece since that first meeting all the way back in 1958.
As they prepare to face off once again in tonight's Europa League last-16 first leg, Sportsmail delves into the history books to pick out their classic encounters of yesteryear.