Chelsea goalkeeper Lucas Bergstrom is interesting Elfsborg.
Göteborgs-Posten says Elfsborg are targeting Bergström, 21.
Elfsborg is said to have made initial contact with Chelsea in the hope of signing Bergström.
The Finnish U21 national team goalkeeper is on a contract that expires in the summer.
Chelsea signed Bergström from Finnish side TPS in January 2019. He is yet to make his senior debut.
The 21-year-old has spent time on-loan with Peterborough.