Vitor Belfort is coming around to the idea of asking for fights as well as earning them. The ex-champ eliminated any doubt of that today when he tweeted UFC President Dana White that he wants to fight the winner of Saturday’s UFC 162 headliner between middleweight kingpin Anderson Silva (33-4 MMA, 16-0 UFC) and Chris Weidman (9-0 MMA, 5-0 UFC). “The fans and me are very excited to see who is going to my next opponent on this Saturday,” Belfort tweeted . “I deserve the winner!” That’s a bold proclamation from Belfort (23-10 MMA, 12-6 UFC), who this past month told MMAjunkie.com (www.mmajunkie.com) that he’d rather prove his title worthiness than crow about it. “I don’t think it’s time to ask; I think it’s time to earn,” Belfort said. “That’s my ethic in life