By Ina Lagun, allboxing.ru

At the Universum's gym in Hamburg, Russian heavyweight Denis Boytsov (29-0, 24KOs) was working hard to prepare for battle with the American veteran Darnell Wilson (24-13-3, 20KOs), which takes place on January 28th at the Grand Elysee Hotel in Hamburg. Boytsov was going through some competitive sparring with his brother Max. The sparring session was entertaining for everyone in the room.