“Martyn Kelly remembers wishing he had a stool to climb on like the rest of the kids in the ground to get a better view. The world’s first official penalty shootout was not something he wanted obscured by other people’s heads. On a warm evening on 5 August 1970 at Boothferry Park in Hull, a star-studded Manchester United reached the end of extra time level at 1-1 with second-tier Hull City in a cup match. Six weeks earlier, football’s lawmakers had decided to end the days of the coin toss to decide winners in favour of five players from each team taking a kick from 11 yards out with just the keeper to beat. … No-one knew yet that this new method of deciding a tied football match would become a nerve-shredding experience some fans, players and managers can barely watch. …”
BBC

Ian Butler scored Hull City’s second penalty