The Mac is Back. Conor McGregor returns almost exactly five years after his last fight, walking into the same venue he had hobbled out of with a broken leg.

Conor McGregor does want his loss to Max Holloway to stand.

In what was one of the most disappointing MMA fights of all time, McGregor suffered a knee injury just 69 seconds into the fight, causing a premature injury TKO stoppage and handing Holloway the victo...