Another game, another slew of records for Arsenal’s defensive machine. This time it included one that stretched back more than 55 years, when Leeds were the last English team not to concede a goal in their opening four matches, in the 1969‑70 European Cup campaign, under Don Revie. A determined Slavia Prague side, that came into this game unbeaten in all domestic competitions, gave it their best shot and thought they had been awarded a late penalty, only for the referee to overturn his decision