Ukrainian middleweight Sergey Derevyanchenko (12-0, 10 KOs) continues preparations for the fight for the vacant IBF belt against the American Daniel Jacobs (34-2, 29 KOs). In his Instagram Derevyanchenko shared a video, where he works on a heavy bag:
Derevyannchenko continues camp for Jacobs fight
Andrew Karlov
Aug. 7, 2018, 8:06 a.m.