There are no centrist sites. By definition, they don't make up their minds until the last minute, which is why they hold the key to the election.
If Hillary captures it, she wins. If our nominee catches it, he wins.
That is unless those preaching hatred against Rudy manage to split the party to an extent that the centrists don't make up.
All I can tell you is good luck. If Rudy is the annoited nominee, don’t hold you breath. You best count on those that no one can count on to turn out. You won’t even be able to count on your own party to turn out.
Hell of a deal. A losing one, at that.