Juan Carlos Ferrero, Spanish tennis player
Juan Carlos Ferrero Donat (Spanish pronunciation: [xwaŋ ˈkaɾlos feˈreɾo ðoˈnat]; born 12 February 1980) is a Spanish former world No. 1 tennis player. He won the men's singles title at the 2003 French Open, and in September of that year became the 21st player to hold the top ranking - for eight weeks. He was runner-up at the 2002 French Open and 2003 US Open. He was nicknamed "Mosquito" for his speed and slender physical build. Ferrero retired from professional tennis following the 2012 Valencia Open, returning for a brief doubles stint in 2017.