BKFC 31 took place Saturday with a handful of MMA notables from the past on the card. The event took place at 1st Bank Center in Broomfield, Colo., and featured 10 bareknuckle contests, including a headlining bout that crowned a new interim champion.
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BKFC 31 results: Mike Richman rallies to win interim title; UFC alumni go 3-1 – MMA Junkie