Oliver Jordan Hagen (born 9 June 2006) is a Norwegian footballer who plays for Allsvenskan side Hammarby IF.
Club career He played youth football for IF Borg before joining the academy of Odds BK in 2021. In late 2023, the local press counted on him being a part of the first-team squad in 2024, and the deal was signed in January 2024. Hagen made his first-team debut in April 2024, first in the cup against Åskollen and three months later in the league against Hamkam. He did not score until 2025, when Odd had been relegated to the First Division.
He became a regular in 2025, playing all 30 league games. Odd rejected a transfer bid from Sarpsborg 08 in July 2025, possibly demanding up to for the player.
Personal life He is a son of former Odd captain Knut Helge Hagen.
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