January 20, 1980 – Nicaraguan boxer Alexis Argüello successfully defended his WBC super featherweight title by knocking out Rubén Castillo in the 11th round in Tucson, Arizona.
January 20, 1980 – Nicaraguan boxer Alexis Argüello successfully defended his WBC super featherweight title by knocking out Rubén Castillo in the 11th round in Tucson, Arizona.
