The Reds went in with a high foot against the Brazilian goalkeeper and clipped him in the face as he headed the ball in the 36th minute.
It looked as though it was an honest challenge without any intent to hurt the Manchester City player.
But Jon Moss decided to show the Senegal international a red card after the incident.
Did the 25-year-old deserve to get sent off for his challenge on Ederson?
Click through the gallery above to see Sadio Mane’s red card challenge on Ederson.
