BANFIELD: NBA sideline reporter Craig Sager is fighting a major personal battle. CNN's Dr. Sanjay Gupta has his story in today's turning point.</s>DR. SANJAY GUPTA, CNN MEDICAL CORRESPONDENT: Veteran sideline reporter Craig Sager is probably best known for his vibrant interviews and his colorful outfits during NBA games.</s>UNIDENTIFIED MALE: (Inaudible). OK.</s>CRAIG SAGER, NBA SIDELINE REPORTER: Something about getting up and being lively.</s>GUPTA: But the upbeat sportscaster was dealt a devastating blow at a game in 2014.</s>SAGER: I ran it to the doctor (inaudible). He looked at me and Sager, what's wrong. He said you got to go to the emergency room.</s>GUPTA: It was leukemia. Sager need a bone marrow transplant. His son Craig was a perfect match. But the cancer came back. His son saved his life again.</s>CRAIG SAGER II, SAGER'S SON: I didn't really even think of it as donating. It was, we're in it together.</s>GUPTA: Sager recover just in time for start of an NBA session.</s>SAGER: I didn't miss a game. I felt great.</s>GUPTA: But then in February, another relapse. Even through treatment Sager never stopped working. He covered the first NBA finals of his career in June.</s>SAGER: Just a tremendous night.</s>GUPTA: Now he's back at the hospital preparing for a rare third transplant from an anonymous donor. Last month Sager was awarded the Jimmy V award for perseverance at the ESPY Awards.</s>SAGER: Time is something that cannot be bought. Time is simply how you live your life.</s>GUPTA: Dr. Sanjay Gupta CNN, reporting.</s>BANFIELD: Thanks for watching everyone.
NBA Sideline Reporter Craig Sager's Personal Battle.