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After eight goals in his four previous games, it was the first time new signing had failed to score for his club
19-year-old Norway forward had signed a contract until 2024 but did not mention a fee
At 19 years and 58 days, he became the third youngest man to score a hat-trick in the Champions League
19-year-old took his incredible tally to 17 goals in nine appearances for Salzburg this season
18-year-old striker plays his club football for Red Bull Salzburg in Austria