Keith Hackett was the referee when all hell broke out in Manchester United's Old Trafford clash with Arsenal in 1990.
The bad blood had been simmering for a while. David Rocastle was sent off at Old Trafford in 1987, retaliating to a foul by Norman Whiteside, as the Gunners were riled at losing a 22-match unbeaten record.
When Brian McClair skied a last-minute penalty at Highbury, costing the Reds the chance of an 1988 FA Cup fifth-round replay, Nigel Winterburn's decision to taunt the crestfallen Scot was always going to stick in the mind of the striker and his team-mates.