The only women’s bout on the UFC 163 card took place on the preliminary card as Amanda Nunes won her UFC debut over Sheila Gaff in the first round by TKO. 
They opened with a high space as Gaff used her striking to take the fight to the ground but Nunes was able to scramble back to her feet. Nunes would take the fight to the ground and she had the half guard position.
She would pass to the full mount position and landed several short strikes. She would continue her attack with short elbows and the referee would end up coming in to stop the fight when Gaff was not defending herself.
Nunes (8-3) has now won two of her last three fights with both victories coming by stoppage in the first round. Gaff (10-6-1) has lost back to back fights in the UFC with both defeats coming by first round TKO.
UFC 163 Results:
Amanda Nunes def. Sheila Gaff via TKO (strikes) – Round 1, 2:08
Sergio Moraes def. Neil Magny via submission (triangle choke) – Round 1, 3:13
Ian McCall def. Illiarde Santos via unanimous decision (30-27, 30-27, 30-27)
Rani Yahya def. Josh Clopton via unanimous decision (29-28, 29-28, 29-28)
Francimar Barroso def. Ednaldo Oliveira via unanimous decision (30-27, 30-27, 29-28)
Viscardi Andrade def. Bristol Marunde via TKO (strikes) – Round 1, 1:36