Derrick Lewis and his children are physically unharmed after a scary moment on the driveway, the UFC heavyweight says. On Wednesday, Lewis (24-7 MMA, 15-5 UFC) posted a video on his Instagram page that, at first glance, looked like one of the famous memes that’s helped him gain 1.8 million followers on the platform. It was soon apparent, though, that this time Lewis was one of the people in the video. Lewis posted surveillance footage from outside his house in Houston where he was sitting on a quad bike in the driveway with his two sons standing by. Lewis picked up one of his children to sit in front of him, and as he sits down, the gas throttle is hit