Khan needs to use the cross-arm guard...

[TheGreatA]

Lets not forget about John Ruiz.

[Silencers]

You have to be pretty exceptionally slick to effectively use the shoulder roll. If you're not technically perfect you'll get caught with some straight punches. No defense will cover up all deficiencies, and with Khan being a more orthodox fighter I'm not sure it's the best option. Who knows, he might take punches coming from up under better, and keeping the chin tucked while using the cross-arm might be enough.

I think with the right trainer he can implement the shoulder roll quite well, by the right trainer I mean either Mayweather Sr. or Roger Mayweather, I think he has the physical assets for it.

[Miburo]

I think with the right trainer he can implement the shoulder roll quite well, by the right trainer I mean either Mayweather Sr. or Roger Mayweather, I think he has the physical assets for it.

Honestly I've always been somewhat skeptical about Roger Mayweather as a trainer for those Michigan defensive techniques. Yes he knows how to use them (as demonstrated in his career, albeit a bit slowly and thus ineffectively), but he was always more of an offensive fighter and I think his training style is likely to show it. You can't judge anything by Floyd either. He's perfect for Floyd because Floyd is basically a finished product and largely self-trained at this point; Roger is just a great mittman who knows his nephew's style and can adapt to it to suit him.

[Silencers]

Honestly I've always been somewhat skeptical about Roger Mayweather as a trainer for those Michigan defensive techniques. Yes he knows how to use them (as demonstrated in his career, albeit a bit slowly and thus ineffectively), but he was always more of an offensive fighter and I think his training style is likely to show it. You can't judge anything by Floyd either. He's perfect for Floyd because Floyd is basically a finished product and largely self-trained at this point; Roger is just a great mittman who knows his nephew's style and can adapt to it to suit him.

That's true, Roger hasn't produced any other top caliber fighter yet.

Ironically Roger Mayweather had a suspect chin as well and used the shoulder roll pretty well to set up his offense, I think Khan could do something similar.