Date of Birth: 
Place of Birth: San Pedro de Ycuamandiyú, San Pedro Department, Paraguay
About Ubaldo Aquino
- Ubaldo Aquino Valenzano (born May 2, 1958) is a retired football (soccer) referee from Paraguay, best known for supervising two matches (Germany-Saudi Arabia and Sweden-Senegal) during the 2002 FIFA World Cup in Korea and Japan.Aquino is known to have served as a FIFA referee during the period from 1995 to 2003.
- He officiated in numerous international competitions, including the 1999 FIFA Confederations Cup, 1997 FIFA World Youth Championship, and qualifying matches for the 1998, 2002, and 2006 World Cups.
- Aquino also served as a referee in the 1999 and 2001 Copa América competitions, officiating the final in 2001.After retiring from his career as a match official, Aquino has worked as referee coordinator for the Asociación Paraguaya de Fútbol.
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