article_snippet.sent: Pacquiao's trainer Freddie Roach (right) has produced over 20 world champions during Pacquiao's trainer Freddie Roach (right) time .
article_snippet.sent: As well as Cotto former WBO light-welterweight champion Ruslan Provodnikov and Chinese star Zou Shiming are also trained by Roach.
article_snippet.sent: WBC middleweight world champion and Puerto Rican great Miguel Cotto (right) is trained by Roach .
article_snippet.sent: British star Amir Khan, Julio Cesar Chavez,
article_snippet.sent: Roach has also worked with a number of MMA greats including Anderson Silva, Georges St. Pierre, Tito Ortiz and BJ Penn.
article_snippet.sent: Amir Khan (right) was trained by Roach before splitting up in 2012 after losing two world titles .