Statically speaking its incredibly rare to repeat the kind of season Cold had. Whoever pays him better hope he stays healthy because his value comes into play in the postseason. Strasburg who was ok in the regular season but dominate in the post season.
I think its crazy to pay there guys. The Astros have built their team through the draft and picking the bones of those teams who cannot bust through at the trade deadline.
Having that much capital tied up in one player diminishes the overall team. Strasburg cost the Nats Rondon. Ouch.