On 2 September 2019, he signed a multi-year contract with the
Serie B club
Cremonese. On 9 July 2021, he returned to
BK Häcken on a three-year contract. On 29 December 2023, Gustafson signed for
J1 League side
Urawa Red Diamonds on a permanent transfer, where he was reunited with manager
Per-Mathias Høgmo, who left BK Häcken a few days earlier.{{cite web|url=https://www.urawa-reds.co.jp/topteamtopics/207673/|title=サミュエル グスタフソン選手 完全移籍加入クラブ間合意のお知らせ == International career ==