Nelson Thomas, known from MTV's The Challenge, underwent amputation of his right leg below the knee after a severe car crash and subsequent complications with his crushed foot. He has stated that doctors determined the bone was nonunion and could not heal, leading to the difficult decision to amputate as part of his recovery and to regain mobility and quality of life. The amputation occurred roughly one year after the crash, with reports indicating a prosthetic-fitting and ongoing rehabilitation as part of his path forward.