Wagner lost his bronze medal match in the 82 kg event at the 2019 European Wrestling Championships held in Bucharest, Romania.

In 2020, Wagner won one of the bronze medals in the 82 kg event at the European Wrestling Championships held in Rome, Italy.

[3] In April 2021, he also won one of the bronze medals in the 82 kg event at the European Wrestling Championships held in Warsaw, Poland.

[4][5] Wagner competed in the 87 kg event at the 2022 World Wrestling Championships held in Belgrade, Serbia.

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