WATCH: The best bits of Eddie Alvarez's KO win over Eddie Alvarez
The featherweight champion of the world, 20-3, will face his lightweight counterpart in the main event of UFC 205 on November 12.
Should McGregor best Alvarez, he'll become the first fighter in UFC history to hold two world titles at the same time.
McGregor is confident of permanently etching his name into the UFC's history books and has vowed to KO 155-pound champion inside one round.
'The Notorious' will face a difficult task to do as Alvarez has only suffered one knockout loss in his entire career.
Alvarez, 28-4, prised the lightweight title away from Rafael dos Anjos's clutches in... read more