Marcelo Ríos Masters Cup), Ríos withdrew at round robin stage after playing the first match. He was replaced by then world No. 11 Greg Rusedski." "At the 1998 Eurocard Open (Stuttgart Masters), Ríos withdrew prior to quarterfinals." "At the 2001 Monte Carlo Masters, Ríos withdrew prior to second round." Marcelo Ríos Marcelo Andrés Ríos Mayorga (; born 26 December 1975) is a former world No. 1 tennis player from Chile. Nicknamed "El Chino" ("The Chinese") and "El zurdo de Vitacura" ("The Lefty from Vitacura"), he became the first Latin American player to reach the top position on the Association of Tennis Professionals
Carlos Rios corner threw in the towel. Carlos Rios Carlos Alberto Ramon Rios (born 14 April 1971) is an Argentine professional boxer. He currently has 53 wins and 11 losses. Rios has fought in the super lightweight and featherweight division. Rios has fought for a world title on several occasions. In 1997 Rios fought Luisito Espinosa for the WBC featherweight title. He was defeated by TKO in the 6th round. In 1999 Rios was defeated by Floyd Mayweather Jr for the WBC super featherweight title. He later fought Acelino Freitas in 2000 for the WBO super featherweight title. The fight ended in