Sebastien Haller has heartwarmingly returned to training three months after he underwent surgery on a testicular cancer tumour.
The striker was one of the most prolific in Europe last season, scoring 34 goals to help Ajax to win the Eredivisie. That record earned him a £31million move to Borussia Dortmund in the summer, with Haller seen as the replacement for Erling Haaland.
But during the club's pre-season training camp in Switzerland, he fell ill and underwent medical examinations which discovered a malignant tumour. Haller returned to Dortmund to begin treatment, which included the surgical removal of the tumour and chemotherapy.
