Frankie Edgar had a great run in the lightweight division, becoming one of the best 155-pound fighters in MMA history. However, back-to-back losses to Benson Henderson forced Edgar to make a change, so he will now chase greatness in the featherweight class.
Because his second defeat against Henderson was so controversial, Edgar was granted an immediate title shot for his 145-pound debut.
Against Edgar, featherweight titleholder Jose Aldo will attempt to defend his belt for a fourth consecutive time inside the Octagon. Already one of the most accomplished 145-pound fighters ever, Aldo would further cement himself into the history books in what is essentially a superfight with the former lightweight champion.
As January's biggest fight approaches, let's take a look at whether Aldo or Edgar has the advantage heading into the UFC 156 main event.