Former Olympic wrestler and MMA star Ben Askren recovering after double lung transplant MILWAUKEE (AP) — Olympic wrestler and former UFC fighter Ben Askren has undergone a double lung transplant after battling severe pneumonia. In a social media post Wednesday, Askren shared that he is now recovering. He revealed he remembers little from a 45-day ordeal between late May and early July, during which he was on a ventilator and his heart stopped four times.