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
Marcelo Garraffo the men's national team to the silver medal at the 1999 Pan American Games. At the end of 2012, he was chosen as the new coach of Argentina women's national field hockey team after Carlos Retegui's contract was not renewed. Four months later, by decision of the newly elected president of the Argentine Hockey Confederation, Federal Senator Aníbal Fernández, he was dismissed and replaced by Emanuel Roggero. Marcelo Garraffo Marcelo Omar Garraffo Biano (born September 5, 1957) is a retired field hockey player from Argentina who competed in three Summer Olympics for his native country. At his Olympic debut at