Man United fans took to social media after Newcastle netted their second goal at Old Trafford on Monday night.
Joelinton climbed over Lisandro Martinez to head home a cross from Anthony Gordon and hand the visitors a 2-0 lead within just 20 minutes.
One user wrote on X: 'It’s on the shirt so it’s classed as shoulder I’m pretty sure,' arguing that the ball struck Joelinton's arm before it went in.
Another said: 'Sure joelinton can just knock it in the net with his arm.'
A third wrote: 'Replay joelintons goal.