O.J. Simpson fought until the very end. The former football star — who was acquitted of murdering his wife, Nicole Brown Simpson, and her friend Ron Goldman in 1995 — underwent a life-saving surgery less than a year before dying from prostate cancer. Simpson had a stent placed in his heart by doctors in the midst of a frightening, near-fatal operation, sources spilled to RadarOnline.com back in July. Medical professionals decided to place the device in the Buffalo Bills alum’s heart in an effort to keep his arteries clear in order for him to stay alive. At the time, Simpson reportedly told his…
