VIDEO: A reminder of what Conor McGregor is up against in Vegas

Here's why Jose Aldo hasn’t lost in a decade.

Conor McGregor proved his worth when he knocked out Chad Mendes in July to capture the UFC featherweight interim crown, but there’s reason to be skeptical he can handle one of the top two fighters on the planet.

Jose Aldo hasn’t lost in a decade, and it’s hard to say if McGregor has a superior striking game.