LAS VEGAS – Jim Miller won’t entirely rule out his chances against Brock Lesnar . Anthony Smith turned heads when he said a fight between Miller and former UFC heavyweight champion Lesnar would be 50-50, and that he’d definitely pick Miller on the street. When Miller was asked about Smith’s remarks, the long-tenured UFC veteran laughed, but wasn’t completely dismissive of his chances – even though he knows it very well could go south for him. “Years ago, Ronda (Rousey) said she thinks she could beat Cain (Velasquez), and that’s a difficult fight, right?, Miller told MMA Junkie and other reporters at a pre-fight news conference Wednesday for UFC Fight Night 234. “But the mentality has to be there.