Why United's extra-time turnaround is so rare

Something that has been a little lost in all the reaction to Manchester United's pulsating 4-3 win over Liverpool at the weekend is just how rare an extra-time feat it was.

Remember Erik ten Hag's men were trailing at half-time of the additional 30 minutes and yet, somehow, bounced back to win the Emirates FA Cup quarter-final tie with goals by Marcus Rashford and Amad, in front of the Stretford End.

A lot has been said about extra-time in recent years, how teams are often fearful to attack too much, ensuring goals can be scarce and a penalty shootout becomes more and more likely. Indeed, some pundits have, more than a little disappointingly, called for it to be scrapped altogether, with ties…