SAO PAULO – Evan Dunham has one less thing to worry about heading into his retirement fight. The veteran lightweight, who on Saturday meets Francisco Trinaldo (22-6 MMA, 12-5 UFC) at UFC Fight Night 137, indicated the promotion has taken care of an unpaid ambulance bill he vented about before on Twitter. “Everything’s good,” Dunham told MMAjunkie on Wednesday ahead of his FS2-televised fight at Ibirapuera Gymnasium in Sao Paulo. “The moral of the story is, close mouths don’t get fed
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