Complex sentence: Several other news media outlets also cited statistics showing a high number of wrestlers dying young, many from heart failure; however, other former pro wrestlers died from car crashes, accidents, or other health-related problems that had no connection to alleged steroid abuse.
Split into simpler sentences: Several other news media outlets also cited statistics showing a high number of wrestlers dying young, many from heart failure. Other former pro wrestlers, though, were shown to have died from car crashes, accidents, or other health-related problems that had no connection to alleged steroid abuse.