Diego Ruiz

Ruiz started his peripatetic playing career in 1997 at Lanús in Argentina. He then had spells in the lower leagues of Argentine football with San Telmo, Club Atlético Ñuñorco and Atlético Tucumán. In 2004, he joined Belgian side KV Kortrijk followed by Cobresal of Chile, then back to Belgium with K.A.A. Gent, and back to Chile again with Huachipato in the Liga Chilena de Fútbol, where he had his best spell as a professional. He was transferred to Romanian club CFR Cluj in 2008, just in time to be part of CFR's championship squad of 2007–08, but was loaned to Kasımpaşa in 2009. For a half a season he played in Azerbaijan for Khazar Lankaran before having his contract mutually terminated in January 2011. He returned to Romania with FCM Târgu Mureş. In January 2012, Ruiz went back to Chile, joining newly promoted Deportes Antofagasta. On 12 October 2025, Ruiz returned to the football activity by joining club Ferroviarios from Monte Águila in the ANFA tournament from Yumbel.

His son, Luca, is a football striker from the Huachipato youth ranks.

CFR Cluj

Liga I: 2007–08 Romanian Cup: 2008, 2009 Supercupa României: 2009 Universidad de Concepción

Primera B: 2013 Transición