He is especially remembered for saving an Alajuelense penalty kick when Turrialba goalkeeper Miguel Segura was sent off in a league game and Guardia replaced him in goal on 31 May 1992.
He is particularly recognized for his save of a penalty kick taken by Alajuelense against Turrialba, where the goalkeeper Miguel Segura was ejected from the game.  Guardia took over in goal on May 31, 1992.