Kane Brown rolled his ankle and tumbled from the stage in Memphis, Tenn., on Saturday night (Oct. 23). Then, he shared video of his injury that shows exactly what he was dealing with as he finished the show in obvious pain. The tumble happened as Brown was hopping from the stage onto a row of what looks like monitors in front of the stage. Per his Instagram, his foot landed in a divot or grip, causing his ankle to twist. He hops forward, eventually falling on a security guard. The show stops as Brown limps back to the stage. Video from that point shows him in heavy pain. Later, he showed why. …