Fans were left fuming after Manchester United defender Lisandro Martinez escaped punishment after his boot twice made contact with the head of Leeds striker Patrick Bamford on Wednesday night.
The pair got into a tangle just before half-time with Leeds leading thanks to Wilfried Gnonto's first minute strike.
Both players fell to the ground, but as Martinez attempted to get up, his studs made contact with Bamford's face.
One fan said: 'Martinez the ‘Butcher of Amsterdam’ getting away with running his foot across and down Bamford’s face there.'
Another added: 'Lisandro Martinez should have been sent off for this silly challenge on Bamford.'
And a third said: 'How is this not a red card??? Martinez’s studs in Bamford’s chin, then back over Bamford’s head as he got up… he knew exactly what he was doing there. Disgusting.'
Substitute Jadon Sancho secured Manchester United a hard-fought 2-2 draw against Leeds to deny their managerless rivals a famous first league win at Old Trafford in 42 years.
The relegation-threatened Whites sacked Jesse Marsch on Monday and caretaker replacement Michael Skubala was on course to mastermind an unforgettable victory two days later.
Wilfried Gnonto fired the visitors ahead after 55 seconds and Raphael Varane turned into his own goal early in the second half as Leeds dreamt of a first league win at Old Trafford since February 1981.
But Erik ten Hag's United are made of stern stuff and rallied impressively, with Marcus Rashford's header followed by substitute Sancho's first goal since September in a thrilling 2-2 draw.....
