I'd never heard of Cung Lee till a year or so ago. I watched a number of his fights on tv and the internet. The guy is very talented, that being said its hard to judge him from his competing in sanshou considering the small scope of the sport. I'd like to see Cung in K1, ISKA or any type of top level kickboxing/muay thai to see how he stands up to world class fighters. His metal in MMA has yet to be tested. From what I've seen Cung is a good fighter and I won't be suprised if he wears a belt someday, but as of yet he hasn't been in with a fighter near the cailber of Frank. I'd feel pretty confident that at this point in both their careers that Frank would win.