A guy like Leites would be interesting as he has a great chin and has excellent ground skills. Demian Maia is world class on the ground but I have no idea how good his chin we will find that out against Quarry.
Henderson could fare better in a rematch but he is getting up there in age.
Okami could also pose a threat has he has pretty good wrestling and good control from the top position he is also huge at mw.
I just did not like that Anderson was more concerned with dancing around and putting on a show than actually fighting Cote. Its a mild concern as he has proven to be a dominant champion but lets hope it is not a trend.