That would be insane in Puerto Rico. I doubt it would happen though. Cotto and Trinidad probably wouldn't want to fight eachother and I'm not sure how the average PR boxing fan would feel about it. On a smaller level that I can relate to, it would sort of be like Povetkin challenging Maskaev for the title. This would be more okay since Maskaev is a champion and Trinidad isn't, but I would hate to see it happen and I'm sure Povetkin would never wish to fight him.
Damn, by reading these threads it looks like Trinidad will go down in history only as a footnote to DLH.