Fans aren't sure what to make of Conor McGregor's latest promotional gig

Fans have been reacting online after Irish MMA fighter Conor McGregor posted a pair of promotional tweets advertising fast-food giant Burger King.

There are two kings in this picture and only one in the fight game. Forget the rest. Big news on the way. @burgerking. #ad pic.twitter.com/aayNQuFDxP

— Conor McGregor (@TheNotoriousMMA) March 5, 2018