On 9 February 2009, Ruiz announced his retirement from international football. However, on 4 January 2011, he stated that he was returning to international football, making the UNCAF 2011 championship to be held in Panama his first international tournament in two years. He then participated in the 2011 CONCACAF Gold Cup, scoring one goal against Grenada in the first round and another one against Mexico in the quarterfinals in a 2–1 defeat.