Watch: Robert Duran Jr. Finishes Fast in Miami with a First Round Knockout at BKB 58

Robert Duran Jr. picked up a rapid first-round stoppage at BKB 58 in Miami, but it was not a clean, one-punch knockout. Ryan Spivey injured his knee during the action, was dropped twice, and could not continue at 1:49 of Round 1. Robert Duran Jr. added another bare-knuckle victory in front of his home crowd Saturday night, stopping Ryan Spivey in the opening round at BKB 58 in Miami. The super welterweight fight ended at 1:49 of Round 1 after Spivey appeared to injure his knee. Duran Jr. had already put Spivey down during the brief exchange, and the British…