Chael Sonnen vs. Wanderlei Silva Set for May 31st, Kind Of

Chael Sonnen and Wanderlei Silva are opposing coaches on The Ultimate Fighter Brazil, which has stirred up some interesting controversy here and there, but the latest controversy surrounding the fight has to do with a contract. Has Wanderlei Silva signed the contract to fight Chael Sonnen? Last night after UFC Fight Night Natal the UFC confirmed that things were set to go on May 31st, but there seem to be some contrasting opinions in that matter. According to reports, the fight will happen on May 31st on an event in Brazil between Chael Sonnen and Wanderlei Silva.

But, not everyone is certain that the contract has been signed just yet.