Lyon defender Jerome Boateng was found guilty of premeditated bodily harm on his former partner Sherin Senler, a spokesperson for a court in Munich said on Thursday.
He was fined €1.8 million.
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The 2014 World Cup winner, who had appeared in the Munich court wearing a dark blue suit, was accused of injuring his ex-girlfriend in a fight during a vacation in 2018.
Boateng, 33, had denied wrongdoing and told Munich District Court that he did not hit and injure Senler in July 2018 when they were on vacation in the Turks and Caicos Islands. He was charged with allegations of dangerous bodily harm and verbal abuse against Senler, with whom he has two children.
According to the indictment, Boateng beat her, boxed her, bit her head, threw her on the ground and insulted her. DPA news agency reported the public prosecutors' office also accuses Boateng of throwing a glass lantern and cooling bag at Senler.
The former Germany and Bayern Munich defender told the court his former partner had become aggressive and insulting during a dispute after a game of cards. He said she hit him and injured his lip, and that she fell when he tried to push her away. He disputed throwing a lantern at her, but said it fell when he threw a cushion at a table.
Boateng's lawyer, Kai Walden, previously said his client was disputing the allegations.
Boateng appeared at the court on Thursday, the only scheduled day for the trial, which had been delayed because of coronavirus restrictions.
The defender signed with French team Lyon on a free this summer after Bayern declined to extend his contract.
Information from Associated Press and Reuters was used in this story.