He currently plays for Trelleborgs FF, wearing the number 26 shirt. He plays primarily as a Midfield.

His most recent move was a from Trelleborgs FF to Pittsburgh Panthers (University of Pittsburgh) on 2025-08-01.

Across 1 appearances in the International Club Friendly 2025, Loke Mattson registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.