It’s rare for a mixed-martial arts star to engage in a sporting event with a septuagenarian and come away impressed — unless, of course, that septuagenarian is former President Donald Trump and the sport is golf. At the Republican front-runner’s own golf course. With two Super Bowl champions. During an interview with podcaster Joe Rogan published last week, Ultimate Fighting Championship middleweight Bo Nickal described a golf outing with the former president and New York Giants greats Lawrence Taylor and Ottis “O.J.” Anderson. Nickal said that Trump was sitting cage-side with UFC founder and president Dana White, “and he invited...