Photo by Harry How/Getty Images Conor McGregor and Khabib Nurmagomedov‘s escalating rivalry could lead to someone getting "hurt or shot," a UFC fighter says. Kelvin Gastelum, one of the UFC’s top middleweights, has said there are "lines that shouldn’t be crossed" and that includes talking about someone’s family or religion. McGregor had previously called Nurmagomedov’s […]