After the former Chelsea midfielder appeared twice to fire the ball deliberately at Guangzhou players on Sunday, he was rushed by several opponents. Oscar fell to the ground and a melee broke out.
The Chinese Football Association issued lengthy bans to four players, including Oscar, and fined him 40,000 yuan ($6,000).
Oscar is one of the most high-profile players in the Chinese Super League after he joined SIPG for an Asian-record 60 million euros this season.
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