Alexis has TKO'd Amanda Nunes, which is very impressive! Amanda is a beast and she KO'd Julia Budd in less than 15 seconds, so I was shocked when Alexis TKO'd her. Alexis has never been submitted before and she slows her opponents down with her legs kicks, so I'd say she does have the offensive and defensive skills to challenge Ronda, in my opinion.
Alexis used to have trouble with her stamina before, but after her second fight with Shayna Baszler, she doesn't seem to be fatigued in her fight. Ronda's stamina is questionable because she has only been taken past the first round once and Miesha had the worst game plan I've ever seen, which made it even easier for Ronda to beat her. Alexis sounds pretty confident that she will stop Ronda's arm bar, so we will have to see about that.