Its not risky at all for Khan every one Knows Khans got no chance. I think it would be a small achievment in it self if he doesnt get stopped.
This makes perfect sense, because Floyd doesn't ever do things that make him look like a *****, like: -Duck opponents that he insists are terrible -Hit women -Threaten his own children -Only take fights with guys that are from a lower weight class, at least 34 years old or both