Bisping doesn't like stagnating.
There are plenty of options at middleweight.
Bisping will fight before october instead of waiting for GSP.
The UFC wants GSP back. Badly.
GSP won't fight anyone except Bisping at middleweight because he thinks that's the easy fight.
The UFC will think they are protecting Michael in his next title defense.
The safest matchup they think they can make for Bisping is Whittaker.
Bisping vs Whittaker is basically a certainty.
It's also a matchup with the best two all natty fighters in the division and the most meaningful title fight in years.
Wait for this fight to be announced in the coming days.