Pacquiao hopes fight leads to Mayweather rematch BRISBANE, Australia — Freddie Roach is ready to narrow down Manny Pacquiao’s options following the WBO welterweight championship fight against Jeff Horn: Pacquiao is putting his WBO belt on the line Sunday against the 29-year-old Australian, a teacher who is in the biggest bout of his professional career. Manny is in a must-win situation. Roach has been a longtime trainer for the multiple world champion, and reckons Pacquiao, 38, should have a few more big wins in him. “If there’s a chance, why not?