So what went right and what went wrong?

Good (ish) things

I thought Ricky looked fine fitness wise (remember how everyone was saying he looked amazing). There was no forum member anywhere saying he looked anything other than fine physically

As the fight started I thought it was going ok - the flying hooks were landing which is a good start considering how elusive Floyd is meant to be.

After 3 rounds I thought he was a bit behind, but things were ok and it was still anyones fight

After 3 or 4 rounds Cortez started allowing inside work and wasnt breaking them up

Bad things

He did look nervous, and there did seem to have been some kind of falling out

The ref stopping him doing inside work unti 3rd or 4th rd

Summary

I think the fight was lost becasue Ricky's trademark way of winning was to get in close and hammer the body, wearing down the opponent. Even when after 4 rounds he was allowed inside, Floyd was better than Ricky at inside work and the opposite was happening - Ricky was getting worn out on the inside.
I think Floyd turned the tables and did a RIcky on Ricky, wearing him out inside, but also hammering him at range - Ricky got weaker and weaker, then was knocked out. Pretty much exactly what Ricky has done to so many fighters (eg Maussa), Floyd did to him

Any comments?