Dana said during the post fight interview last night he would like to make Khabib-Tony and Conor-Poirier with the winners fighting next. I think this makes the most sense and is exactly what I want to see happen. Of course there are still the suspensions, contract negotiations, etc. that would need to be worked through, but I'm glad to hear that this is the direction they are thinking.
Khabib-Tony is the fight that has to happen. I think Khabib wins it, but Tony does present a challenge. I don't think Khabib has ever fought anyone as good as Tony is on the ground. He's long, unpredictable, and tough as hell, too.
Conor-Poirier both need a win to get a title shot, so it makes sense for them to fight. I'd expect Conor to win too, so it's the UFC's best shot at making another huge fight with Conor with obviously the Khabib rematch being the biggest.