This is pure wikicapping, but I'm gonna make a small play on Nunes just based on it alone: it's pretty rare to see a WMMA fighter be 7-1 and have 6 of her 7 wins by stoppage (ESPECIALLY given all 6 are KO/TKO and no subs). Women just tend to not have the power to consistently get stoppages via strikes. Now some of that can often be dismissed in cases like this where the girl has just crushed absolute cans that come in with 1-5 records, etc. But if you look, Nunes last 2 opponents would be a combined 7-0 without each of them having the loss to Nunes. So while they likely aren't world beaters, they also likely aren't THAT bad, and she stopped both in rd 2 via TKO. And both were more than halfway through rd 2, which says she's not some girl that comes in swinging wildly and overwhelming her opponents but who gasses horribly if she doesn't get the early stoppage. Late rd 2 stoppages mean that at least she has enough left in the tank after 8 minutes or so to put her opponent away.
Again, this is all wikicapping, I've never seen her fight. I barely remember Bea Malecki either LOL. But...worth a small stab based on this imo.