Paulo César da Silva Barrios is a Paraguayan footballer who plays for Libertad in Paraguay, as a centre back.
He has previously played top-flight football in Paraguay, Italy, Argentina, England and Spain.
He has played for the Paraguay national football team since 2000 and is their most-capped player of all time, earning over 100 caps. He played at two World Cups and three Copa América tournaments, helping his country finish as runners-up in the 2011 Copa América.
He played for Paraguay in 1997 and 1999 FIFA World Youth Championship, but missed the 2002 World Cup in Korea and Japan. However, he was named in the 23-man squad for the 2006 World Cup in Germany. He also played at the 2010 World Cup in South Africa, featuring in all five of Paraguay's games in their run to the quarter-finals, and provided an assist for Sunderland teammate Cristian Riveros in their 2–0 win against Slovakia in the group stages.
