Talk about a shocker coming out of left field!  The 2010 PBR World Champion, Renato Nunes took center stage tonight to announce his retirement to a stunned crowd at the Thomas & Mack.  In his announcement, he did mention that he has been thinking a lot about this and wasn't sure when was the right time and for whatever reason decided tonight was that night.  He never … [Read more...] about Renato Nunes Announces Retirement from Professional Bull Riding