LAS VEGAS – Valter Walker made it known Saturday he could be a scary prospect for future opponents in the heavyweight division. Walker (13-1 MMA, 2-1 UFC), brother of UFC light heavyweight Johnny Walker, submitted Don’Tale Mayes (11-8 MMA, 4-6 UFC) at UFC Fight Night 251 – and he did it in a hurry. Just 77 seconds in, the Brazilian made Mayes tap to a nasty heel hook. There have been just five heel hook stoppages in UFC heavyweight history – and Walker has two of them, and in back-to-back fights
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Valter Walker sends out warning to heavyweight division after second straight heel hook – MMA Junkie