The UFC officially has a new — and ferocious — welterweight contender. Matched against Neil Magny for his first UFC main event, Carlos Prates passed Saturday's test with flying colors, knocking out the record-setting veteran with a brutal punching assault in the closing seconds of round one at UFC Vegas 100.

Carlos Prates completed one of the great rookie years in recent octagon history Saturday when he knocked out longtime contender Neil Magny in the UFC Fight Night 247 main event. Prates (21-6 MMA, 4-0 UFC) made it four fights,

After Carlos Prates defeated Neil Magny by first round knockout in the UFC Vegas 100 main event, he will supplant the longest tenured UFC welterweight in the rankings. 'The Haitian Sensation' has not been outside of the top-15 since nearly a decade ago,