On May 9, 2015, in the 9th round of the Chinese Super League, Shanghai SIPG defeated Shanghai Greenland Shenhua 5-0 at home. Ma Ning showed 8 yellow cards and 2 red cards in the first half. Three Greenland Shenhua players were sent off at the end of the game. Although most fans believe that the penalty is indisputable, some commentators believe that Maning still has room for improvement in controlling the game scene.

Personally, I think Lu Zheng was sent off in the first half. Before the end, Bai Jiajun’s red card should not have been given and he should have been given a yellow card. After all, he had tackled the ball, so that Li Jianbin’s red card would have been gone in the second half

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Three days after the game, at a meeting held by the Chinese Football Association, the Football Association highly affirmed Ma Ning's law enforcement and believed that in the future, referees should enforce the law as strictly as Ma Ning and put an end to downgraded penalties and peaceful law enforcement. Way.