"I will win. I'm crazy," is the promise [autotag]Wang Cong[/autotag] made to [autotag]Victoria Leonardo[/autotag] at UFC on ESPN 62 faceoffs Friday – all while wearing paint to resemble the Joker.

The on Saturday, Cong (6-0 MMA, 1-0 UFC) made good on that promise as she iced Leonardo (9-6 MMA, 1-4 UFC) with a one-punch right cross knockout at the UFC Apex in Las Vegas. The stoppage came at 1:02 of Round 1.

Cong, 32, is a highly touted flyweight who entered the UFC after a Road to UFC showcase bout. In six pro fights, she has four finishes.

Up-to-the-minute UFC on ESPN 62 results include:

• Wang Cong def. Victoria Leonardo via knockout (punch) – Round 1, 1:02

More UFC!

UFC on ESPN 62 live updates: Results, round-by-round coverage of every fight

Gerald Meerschaert vs. Edmen Shahbazyan prediction, pick, start time, odds for UFC on ESPN 62

Neil Magny vs. Michael Morales prediction, pick, start time, odds for UFC on ESPN 62

Kaan Ofli vs. Mairon Santos prediction, pick, start time, odds for UFC on ESPN 62

Ryan Loder vs. Robert Valentin prediction, pick, start time, odds for UFC on ESPN 62

For more on the card, visit MMA Junkie's event hub for UFC on ESPN 62.

This article originally appeared on MMA Junkie: UFC on ESPN 62 video: Wang Cong makes good on 'Joker' threat, smokes Victoria Leonardo