Former champion Conor McGregor says he's officially back in the UFC drug testing pool, sparking new talk of his return.

Four years after his exit from the sport of MMA, Conor McGregor is teasing a comeback to the UFC. This time, however, the stage is big enough to overshadow any doubts about his claims.

Conor McGregor may have gotten the better of Dustin Poirier early in their UFC tenures, but Jorge Masvidal says “The Diamond” has made the more significant impression over time.

Conor McGregor, the Irish UFC star, appears to be gearing up for a dramatic return to the cage. McGregor, whose Dublin pub ...

Former UFC champ champ Conor McGregor appears to have recorded his first test under Drug Free Sport International ahead of a ...

Conor McGregor is seemingly plotting a return yet again. McGregor recently posted multiple pictures of submitting blood and ...

McGregor has six months of random drug testing to go before being eligible to compete in the UFC again, starting now.

Of all the tales told about Conor McGregor comebacks, none have come true yet. So take this with a grain of salt, perhaps.