Rubén MartÃÂn Ruiz DÃÂaz Romero (born 11 November 1969) is a Paraguayan former professional footballer who played as a goalkeeper. He was nicknamed "Puchi" and "La Bomba" during his career. He represented Paraguay at the 1998 FIFA World Cup. In the 1990s, he became a referent of the Mexican outfit Monterrey.
Born in Asunción, Ruiz DÃÂaz began playing football in the youth side of Club Rubio ÃÂu, before making his senior debut for the club at age 15. He played professional football in the Primera División Argentina and Primera División de México.
On 14 March 1993, while Ruiz DÃÂaz was playing for Monterrey in a match against Leon, a strong shot from Leon forward Isaac Ayipei knocked Ruiz DÃÂaz unconscious. He regained consciousness after six hours in hospital. Initial reports had indicated that he had suffered a broken jaw but that was corrected.
Ruiz DÃÂaz made his international debut for the Paraguay national team on 9 July 1989 in a 1989 Copa América match against Brazil (2âÂÂ0 loss). He obtained a total number of 11 international caps, earning his last cap in 1998.