By Oladimeji AdeoyeJuly 19, 2022Dortmund and Ivorian striker Sébastien Haller diagnosed with testicular cancer Featured Sports July 19, 2022By Oladimeji Adeoye The 28-year-old Ivorian striker joined Borussia Dortmund from Ajax this summer. He was signed by Dortmund as a replacement for…