Manchester United defender Harry Maguire has questioned referee Daniele Orsato's decisions regarding his team-mate Fred, who was eventually sent off during his side's loss to Paris Saint-Germain.
Fred escaped a red card after VAR examined a first-half incident with Leandro Paredes, as the United midfielder appeared to headbutt his opponent.
Orsato chose to give the Brazilian a yellow, acknowledging wrongdoing but deeming the incident still fell short of a red-card offence.
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Fred would, however, eventually receive his marching orders in the 70th minute as he was shown a second yellow card for a tackle on former United midfielder Ander Herrera.