Watch: UFC Veteran KO'd Stiff in 6 Seconds BKFC Fight | thefightfanatic.com

A good stint in the UFC doesn’t always bode well for fighting in other promotions.

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This was the case for 19-9-0 MMA (4-3-0-1NC UFC) veteran Robbie Peralta, who received a devastating knockout in the main event of BKFC Pechanga on July 12. His opponent, Ruben Warr, a 12-12-0 MMA veteran, flatlined Peralta six seconds into the opening round. Watch the finish below, courtesy of MMA Junkie on X:

SIX-SECOND KNOCKOUT AT BKFC!!! 😳😱

Ruben Warr laid out UFC veteran Robbie Peralta in the fist exchange. pic.twitter.com/oo7Smb9eEB