Boxing trainer Freddie Roach angry after being mocked in a video posted on Internet . Things got heated up in the moment . The video, which was uploaded to YouTube by the boxing promoter and former world champion Mike Tyson, shows him mocking boxer Floyd Mayweather Jr. for his weight loss. Roach 's charge Manny Pacquiao will take on Margarito in a title bout on Saturday . Mexican-American apologizes at a press conference for his part in video .
Boxing trainer Freddie Roach angry after being mocked in a video posted on Internet . The video, which was uploaded to YouTube by the boxing promoter and former world champion Mike Tyson, shows him mocking boxer Floyd Mayweather Jr. for his weight loss. Roach 's charge Manny Pacquiao will take on Margarito in a title bout on Saturday . Mexican-American apologizes at a press conference for his part in video .