On April 28, 1976, Pat Pineda, 20 years old, fought in the first reported professional boxing match against Kim Maybee, 18 of Los Angeles.    Maybee won the fight by a stoppage. ARTICLE:  APRONS and GLOVES – by Jim Murray /excerpt Women’s Boxing gets blasted in the Tucson Daily Citizen, dated Saturday, April 24, 1976, by