Gus is a way stiffer fight for Jones than Glover, shouldn't be much debate about that.
Id be more excited to see Glover and Gus fight for the #2 spot than I will be to see either of them fight Jones.
"I fear no man, but Jim Harrison and Mike Stone are the two last men that I would wish to meet in an alley fight. Jim Harrison's fighting style is not flamboyant or spectacular, it's just simple and deadly!" - Bruce Lee