Because he's still a badass.
And Bellator is not a weaker organization -_-
Bellator has a better roster than UFC anyways.
Money, that's why not.
I dont know he is all pretty good.
because he wants money
he couldn't handle it in the ufc anymore he knew he was never going to be champion again in the ufc so he went to bellator a weaker organization lets face it it was an escape
if you can't be champion why compete?