Ruben Wálter Paz Márquez is a Uruguayan former professional footballer who played as a midfielder. Paz played at two FIFA World Cups for Uruguay and was also South American Footballer of the Year in 1988. He retired in 2006 at the age of 47. He's currently Peñarol's assistant coach.

The Copa América 1989 football tournament was hosted by Brazil, from 1 to 16 July. All ten CONMEBOL member nations participated.