Tronstad spent four years at Sogndal before moving to another Norwegian club, Haugesund FK, in 2017. He continued to impress with his performances at Haugesund and caught the attention of scouts from Blackburn Rovers, who signed him in January 2020.
Tronstad spent four years at Sogndal before moving to another Norwegian club, Haugesund FK, in 2017. He continued to impress with his performances at Haugesund and caught the attention of scouts from Blackburn Rovers, who signed him in January 2020.