Conor McGregor couldn't resist one final dig at rival Dustin Poirier after the American's final UFC fight - before swiftly deleting the post.

Dustin Poirier recently stepped inside the UFC Octagon for the last time in his legendary and memorable fighting career ...

Dustin Poirier’s retirement fight at UFC 318 was long in the making. The buildup began with Poirier’s emotional retirement ...