After loss to Pacquiao, Vargas' trainer is Boracay-bound

LAS VEGAS ? While Manny Pacquiao was receiving 16 stitches for a cut sustained in the final round of his welterweight bout against Jessie Vargas, his coach, opponent and promoter took to the podium to express their admiration for his performance. Even Vargas, who surrendered his WBO welterweight belt to the "Pacman" after the Filipino won via unanimous decision, could not help but be impressed with how Pacquiao fought. "I got a little overconfident with his speed, and he caught me with a good le…