I don't know what you mean with the last sentence ("we have him on tape"). In my understanding GSP didn't want to fight Usman, not sure what Dana could have done.
Read again... Woodley fighting GSP. They asked if that's next if Woodley wins and Dana answered yes in the press conference: "for sure" type of an answer. Then he gets pissed by how Woodley wins and gives it to Bisping.