Rıza Çalımbay is a Turkish UEFA Pro Licensed football manager and former player who is currently serving as the head coach of Sivasspor. Under his leadership, Sivasspor won the 2021–22 Turkish Cup, the first major trophy in the club's history. He has also coached other Turkish clubs including Beşiktaş, Konyaspor, Trabzonspor, and Antalyaspor. Wikipedia