There's only one Conor McGregor.
And there's only one fighter who delivered like McGregor in 2015.
It's almost comical now to look back on where the newly crowned UFC featherweight champion stood when this year began.
Remember that? McGregor was called the UFC's protected one. The golden boy. The guy who had just one win over a Top-10 divisional opponent (Dustin Poirier), yet the one whose mugs was plastered all over FOX on NFC conference championship Sunday leading into his Jan. 18 clash with Dennis Siver in Boston.
McGregor lived up to all the pressure that went into that much-hyped fight, as he hunted Siver down and finished him the second round, then jumped out of the cage and got in longtime featherweight champion Jose Aldo Jr.