Zhang Zhilei KO4 Devin Vargas... In a battle of former Olympians on the DAZN undercard, Chinese heavyweight Zhang Zhilei knocked out Ohio's Devin Vargas in the fourth round with a hard combination. Vargas went down hard but was fully conscious, and appeared to hurt his leg in the fall. Zhilei is now 22-0, while Vargas drops to 22-7. By way of comparison, Vargas lasted ten rounds in a loss to Junior Fa, three rounds with Dominic Breazeale and didn't make it out of round one with Andy Ruiz. source: dazn