UFC 303 poster released showing return of Conor McGregor, Michael Chandler

Conor McGregor is back — and so is Michael Chandler.

The biggest star in the history of MMA finally makes his return to the sport when he faces Chandler in a five-round, 170-pound main event battle at UFC 303, which takes place during International Fight Week on June 29 at the T-Mobile Arena in Las Vegas.

And though the event is still almost two months away, the UFC is already giving it the promotional push you’d expect,...