The thing about physique is that it's like competing in the open, no weight limit, so it's anything goes, that's why Buendia is smart, if he were to cross over into classic, he would have to abide by the height to weight ratio (which if he is 5'5 180) he would have to come in smaller then that and most likely not look impressive. Smart move to stay in Men's physique and at least still take home contest money, look at Sadik, he'd probably be better off in physique, at least from a prize money / financial position.