With Ilia Topuria becoming the 10th fighter to join UFC's two-division title club, the time is come to put together a ranking of who did it best.

UFC on ABC 9 took place at Etihad Arena in Abu Dhabi on Saturday afternoon, with former champion Robert Whittaker facing Reiner de Ridder in the main event.

UFC light heavyweight contender Khalil Rountree Jr. has been on an upward swing as of late, fresh off a dominant win over Jamahal Hill at UFC Baku. Rountree, however, executed a meticulous and effective game plan that proved he still belongs in title conversations.

Of course, Dillashaw’s career isn’t absent from controversy as the former champion tested positive for the banned substance Erythropoietin (EPO) in his ill-fated attempt to become a two-division champion at flyweight against Henry Cejudo.

Go inside the numbers after UFC 317, where Ilia Topuria joined the two-division champion club in unprecedented fashion.

Ilia Topuria became just the tenth person to become a UFC two-division champion when he won the vacant UFC Lightweight Championship by knocking out former champion, Charles Oliveira at UFC 317 ...

Former UFC two-division champion Henry Cejudo believes that recently retired Jon Jones is smartly playing the waiting game with the heavyweight division. This past Saturday, the UFC revealed Jones ...