Real Betis are interested in Borussia Dortmund striker Alexander Isak.

Having struggled to make an impression in Dortmund, the Swedish youngster was sent on-loan to Willem II this season where he has shone.

In Germany, there's suggestions BVB are prepared to give Isak a fresh chance next season.

However, Real Betis chief Lorenzo Serra Ferrer has been convinced by Isak's form and is eager to bring him to Spain this summer.

Isak, 19, has scored nine goals and boasts one assist in 10 matches since joining Willem II in January.