Big Sir is Juan Alderete's what?
Juan Alderete Juan Alderete de la Peña (born September 5, 1963) is a Mexican-American musician, best known as the longtime bassist of Racer X and The Mars Volta.
Juan Berenguer Juan Bautista Berenguer (born November 30, 1954) is a former Panamanian long relief pitcher in Major League Baseball (MLB) who played for eight teams from 1978 to 1992. Listed at 5'11 , 200 lb. , Berenguer batted and threw right-handed. He was born in Aguadulce, Coclé.