Benjamin Nygren
IFK Göteborg
Nygren's official debut for Göteborg came against Torns IF in the Swedish Cup on 23 August 2018, where he made a brief appearance in the 4–0 win. Before the season ended, Nygren also made his Allsvenskan debut in a game against Djurgårdens IF on 31 October 2018, and he played in the last three games of the season. In the following match against Malmö FF, Nygren started the game and was in the starting line-up in the final game of the season against Örebro SK, scoring twice in Göteborg's 3–1 victory.
Genk
On 20 June 2019, 17-year old Nygren joined Belgian club Genk in a record deal for a fee around five million euros. He signed a deal until June 2024. Nygren made his debut for Genk in a Belgian Super Cup win against K.V. Mechelen on 20 July 2019. Nygren also scored Genk's first goal in his home debut on 27 July in a 2–1 win over K.V. Kortrijk.
International career
After having represented the Sweden U17, U19, and U21 teams, Nygren made his full international debut for the Sweden national team on 22 March 2025 in a friendly 1–0 loss against Luxembourg, replacing Jesper Karlström in the 82nd minute. He scored his first international game goal three days later in a friendly 5–1 win against Northern Ireland on 25 March 2025.