Roach V's Mayweather snr

[Chino]

Mayweather is a very good teacher though but he never shaped as many world champions as Roach and he's often mostly talk

Well, he CREATED a boxer who is yet to show a clear weakness/flaw: Floyd Mayweather Jr. So he's not THAT bad really.

when he says for example "PAcquiao has no head movement" and such, it's obvious that it ain't the case, just a look at Pacquiao against JMM or DLH and you can see that he looks like a booble head

Against JMM maybe, let's take out ODLH from the picture since he didn't test Pac AT ALL. Pac moves OK when it comes to defense. I think Mayweather did a better job teaching Floyd how to move his head and end up clean in his fights with not even a scratch compared to what Pac has learned that makes him finish fights with bruises, cuts, blood, swollen eyes, etc. We can't forget that a fighter will still implement what he learned or not. I'll say most has to do with the boxer and a smaller percentage to the trainers, nutritionists, etc.

I prefer Roach's style of giving advices and using his minute wisely instead of the Mayweather strange advices and speech like: "yeahhhhh mannnnnnn commmme onnnn mannnn, ya knoowww yaaa mann, give it more try mannn, work more, ya know what I'm sayiinnn" kind of riddles

I agree. I rather have someone telling me what to do even if I am winning. I have seen trainers tell their guy "Yeah! You're totally winning! Alright! See?! I told you! You will be champ!..." no no no, I want to hear my trainer telling me what I should keep doing and all.