Who is under more pressure for "Ring Kings"?

[blak81]

Is it Cotto who is defending his SW belt and Mayweather is moving up in weight to challenge him? This is a "comfortable" weight for Cotto so he is expected to do very well.

or

Is it Mayweather protecting his undefeated record?

IMO I believe Mayweather is under more pressure. I think he brought that pressure upon himself because of how important he considers his record.

[-Lowkey-]

Of course Mayweather is under more pressure he is the overwhelming favourite.

Cotto really isn't under any pressure because he is expected to lose.