Marcelo Ríos 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 (ATP) singles rankings in 1998. He held the world No. 1 ranking for six weeks. He also held the top ranking in both juniors and seniors. He was the first player to win all three clay-court Masters Series tournaments (Monte Carlo, Rome, and Hamburg) since the format
Jeff A. Schwartz firm Cummings & Lockwood as an associate in the commercial litigation department. Schwartz began his sports management career in 1992 at International Management Group (IMG) managing the careers of tennis greats Pete Sampras, Marcelo Rios and Martina Hingis. After seven years at IMG, he joined Artists Management Group (AMG) and built the athlete division into a multi-sport company representing top athletes in tennis, basketball, golf, hockey and baseball. In 2000, Schwartz was named the 15th Most Influential Person in Tennis by Tennis Magazine. Schwartz established Excel Sports Management in 2002 as a full-service management and marketing business. To date, he