Leyton Orient 3 - Chelsea 2 - FA Cup 1972. Some great black and white early 70s footage here - the blurb says it better than I ever could: “This game, played on 25th February, saw Chelsea storm into a 2-0 lead, until Orient pulled one back through Phil Hoadley on the stroke of half time. A tense second half ensued until Orient took advantage of some terrible defending to register one of the great cup shocks of all time - on one of the worst pitches!”