People often discuss which Hollywood star might play them in a movie about their life. For legendary boxer Christy Martin , the actor turned out to be Sydney Sweeney. Sweeney transformed into "Christy," which hits theaters on Nov. 7.  Before Martin's story was told on the big screen, she sat down with "48 Hours" in 2020 to share her story.  An encore of "Christy Martin – the Fight of her Life"  airs Saturday, Nov. 8, at 9/8c on CBS and streams on Paramount+. Raised as a coal miner's daughter in