WATCH: Olivier Giroud Calls Out Conor McGregor Football MMA Posted by Rowan Meegan October 17th 2016, 22:30 Follow @rowanmeegan Watch Olivier Giroud and Laurent Koscielny fire questions at each other with barely any time to think about the answers. Ohβ¦and Giroud calls out MMA Champion Conor McGregor. More Stories Arsenal Conor McGregor Olivier Giroud