Big Nog has some of the best submissions in the world...could one of these guys submit him? Maybe, but I see it being MUCH more likely that he submits them. Big Nog has like 30 MMA wins and I think about 20 are submissions. So to answer the question: no.
Favorite Fighters by Weight Class:
MW Rich Franklin
HW Still supporting "The Crocop"
LW Frankie Edgar
WW GSP (I'm a closet Hughes fan)
LHW Whoever's fighting Tito Ortiz
All-time Genki Sudo