I know that he works with Teri Tom. She keeps track of their fighters calories.. in vs out, workouts, diets, etc, which is huge. They both got Manny down to a 7% bodyfat for the ODLH fight, that was probably the best I've seen him in the ring. I read her book, shes legit. Probably the best in the biz
Yes, also for those who dont know, look at this brief description of what he had Pac doing along with many of his fighters.
"The regime created by Ariza to build that muscle and maintain the speed and power involves two parts. The first is what he refers to as “core training,” a phrase which has become a bit of buzzword in the last few years in the world of exercise and nutritional training, but is seldom heard in boxing. The “core” may sound like it means just abdominals, but it goes much deeper than that. The “core” is the whole area between the shoulders and the pelvis. The idea behind strengthening the “core” is that this area provides the foundation for all other areas of the body to function at its highest levels. Core training thus builds the muscles to produce explosive, powerful movements with mean and lean efficiency, and less likelihood of injury.
To accomplish this, twice a week, Ariza has Pacquiao doing punishing isometrics, where he has to hold a certain position for an extended period of time. In addition he has Pacquaio performing plyometrics, grueling drills involving quick bursts of energy, such as sprints on the track, high intensity cone and ladder drills, even swimming.
“We’re focusing on faster-twitch muscle fibers,” Ariza says, “getting them to fire, feet complimenting the hands, hands complimenting the feet, balance, coordination. “
The exercises are often mind numbingly repetitious and painful beyond imagination. Ever the warrior, Pacquaio says he doesn’t mind core training, but Ariza said that in reality, he actually hates them."