Mane was given his marching orders by referee Lee Mason in the dying minutes for a challenge on Stoke's Erik Pieters, which Southampton boss Ronald Koeman described as an error of judgement on the part of the officials.
Mane clashed with Pieters in mid-air but appeared to be looking at the ball and Koeman had indicated that the club would appeal after the game.
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"The red card is a big mistake of the referee or maybe the fourth referee or the linesman," he had said.
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