|Full name||Mario David Quiroz Villón|
|Date of birth||8 September 1982|
|Place of birth||Guayaquil, Ecuador|
|Height||1.75 m (5 ft 9 in)|
|2001-2002||El Nacional U-20|
|2008–2009||→ Barcelona SC (loan)||39||(11)|
|2012||→ LDU Quito (loan)||13||(0)|
|2013||→ Deportivo Quito (loan)||4||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 26 January 2014.
† Appearances (Goals).
In January 2009 Quiroz signed with Emelec for three years.
On December 10, 2011 Quiroz was transferred to Mexican club Atlante FC.
In January 2012, he signed with LDU Quito for one year on loan.
Quiroz is seen as a promising player; he has played for the Ecuadorian national team and made his beginning appearances against Sweden. His next international appearance was in a friendly match against Ireland in the Giants Stadium, New York. He was a non-playing member selected for the Copa America 2007 for Ecuador. He has seen playing time so far in Ecuador's 2010 World Cup qualifying campaign, starting in the 5-1 win over Peru in Quito.
- Ecuador names Copa America squad
- Ecuador v. Ireland match
- David Quiroz at National-Football-Teams.com