Mateusz Gamrot stayed perfect and won the vacant featherweight title with a masterful performance against Kleber Koike Erbst . In the process, Gamrot (15-0) became a two-division champion, adding the 145-pound belt to the lightweight strap he already has. Gamrot’s winning scores were a pair of 50-45s and a 50-44 over Erbst (24-5-1). The featherweight title fight was the co-main event of today’s KSW 46 event at Arena Gliwice in Gliwice, Poland