Both Khan and his trainer Freddie Roach believe he has the physique to support a move up through the weights and De La Hoya agrees .
De La Hoya won world titles from super-featherweight to middleweight .
Both Khan and his trainer Freddie Roach believe he has the physique to support a move up through the weights and De La Hoya , who won world titles from super-featherweight to middleweight , agrees .