Who is Justin Gaethje? Lightweight star with two losses on his record headlining UFC 249 and wants Conor McGregor fight

Justin Gaethje has stepped in to replace Khabib Nurmagomedov as the headline act of UFC 249 and is set to fight Tony Ferguson this weekend. The UFC main event has been plagued with problems as the sport struggles to adapt to life during the coronavirus pandemic. But boss Dana White has been determined to put on […]