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.
Carlos Zambrano Carlos Alberto Zambrano Matos (born June 1, 1981), nicknamed "Big Z" or "El Toro", is a Venezuelan former professional baseball pitcher. He played in Major League Baseball (MLB) from 2001 to 2012 for the Chicago Cubs and Miami Marlins. Zambrano, who stands 6 ft and weighs 275 lb , was signed by the Cubs as a free agent in 1997 and made his debut in 2001. After being used in both starting and relief duties, he enjoyed his first full season as a starter in 2003, finishing with a 13–11 record, 168 strikeouts and a 3.11 ERA.