Martinez obviously wants the biggest paydays for however many fights are left in him. Dream dance partners are :

Floyd. After being in a hell of a fight against Cotto will Floyd fancy fighting Martinez? Floyd would rather fight somebody with a big fanbase like Canelo or Cotto (or Manny) so that the PPV makes maximum dollars.

Canelo. Can't see GBP making that fight. I think Canelo might be fighting two or three GBP fighters before they risk him against any elite level guy.

Cotto. Same thing for Cotto as far as the PPV goes. Cotto is going to get a belt back and then try for Floyd or Canelo which would be a massive Mexico-Puerto Rico fight.

Not even going to mention Manny, no way Arum would consider it or Manny would move up to 154.

So issues with the biggest three names Martinez could face. That leaves JCC Junior or maybe Cotto if Floyd doesn't want a rematch and Canelo is kept in-house for a while. Other than that it's a non-PPV fight against Geale/Golovkin or somebody like that.