TAMPA, Fla. – His promotional debut might not have been the big splash he was looking for, but Navajo Stirling will find the silver lining. Stirling (6-0 MMA, 1-0 UFC) opened up the main card at UFC on ESPN 63 this past Saturday with a unanimous decision win over Tuco Tokkos (10-5 MMA, 0-2 UFC) at Amalie Arena in Tampa, Fla.