Near the 1:35 mark, Zepeda shot a jab and let fly with a straight left hand. The blow landed flush on the chin of Vargas, folding up the young prospect who went down on his face.
The winner of this crossroads battle will be in line for a world title opportunity. Vargas has won 13 straight since a controversial disqualification defeat, while Zepeda is one year removed from his Fight of the Year knockout victory over Ivan Baranchyk. Zepeda last fought in May, winning a decision over "Hammerin" Hank Lundy.
