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Hoppe made his professional debut for Germany's Schalke in November 2020 and the following Jan. 9 against Hoffenheim became the first American to score a hat trick in the Bundesliga.
He moved to Mallorca in August 2021, but made just five LaLiga appearances, including one start, and also appeared in a pair of Copa del Rey games.
Hoppe has one goal in eight international appearances. He started for the U.S. in Saturday's friendly against Colombia at Carson, California. a 0-0 draw.