This is a terrible hit to UFC 147, which has already seen trouble in the Anderson Silva-Chael Sonnen rematch booked for UFC 148 in Las Vegas (instead of UFC 147 in Brazil).
Now, this main event has fell through as well.
While at first it might look pretty bad considering that the majority of the UFC's top middleweights are already scheduled for fights within the next three months, that doesn't mean the bout can't still be a pretty great main-event fight.
So, that leaves a huge question: Who should replace Belfort at UFC 147 against Wanderlei Silva?
There aren't many options, but here are the top three choices to step in and keep the main event worthwhile.