Does it have to be a one punch KO, a knockdown followed by some GnP isn´t good enough for you?
That´s how 90% fights are finished in MMA, one fighter is rocked then he is finished on the ground by punches or a quick submission.
Cyborg has one loss in her debut and then 15 wins, being 13 by KO/TKO , being 8 in the first round. The 2 decisions were one in 2005 (second fight) and other in 2008. Her 3 last fights were a 1st round KO, being 2 under less than 1 minute.
So stop being a blind hater, Ronda loses BAD to Cyborg in a 145 or 140 fight.
And you people don´t think because Cyborg doesn´t move as much as Holly that Ronda would just throw her and finish her, Cyborg has two purple belt BJJ Gold Medals and one Bronze ADCC medal. And has been training Judo to fight Ronda for a long time.
The last girl tried to take Cyborg down at all costs and for Cyborg it looked like it was a training session she was just smashing the girls head with short punches and elbows, the girl´s face after the fight was a mess, and it was a 1st round finish.