(JAN 17, 2009) On Thursday night at the Crowne Plaza Hotel, in Houston, Texas, Crystal Delgado, 130, remained undefeated when she won a six-rounder over Michele Nielsen, 129.  Final judges scores were 59-54, 58-55, and 57-56. This was a “comeback” fight for Nielsen, as she had been inactive for close to five years, having her