|Full name||David Angelo Diach Madrigal|
|Date of birth||7 June 1974|
|Place of birth||Costa Rica|
|Height||1.86 m (6 ft 1 in)|
|2006||Luis Ángel Firpo||(14)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 1 January 2009.
‡ National team caps and goals correct as of 1 January 2012
Diach made his debut on 5 August 1995 for Costa Rican Second Division Vecinos and has played for several clubs in Costa Rica. He had spells with Trikala and Paniliakos in the Greek Super League during the 1999-00 season, played in the second divisions in Brazil and China and for Brujas and Cartaginés whom he joined in January 2005.
He returned to Costa Rica, to play for Herediano until he joined Carmelita in June 2007. He joined América de Chimaltenango in Guatemala for the 2009–2010 season, but he returned to Costa Rica to play for Limón in January 2010.
In August 2013 he returned to Barrio Mexico after scoring 20 goals for fellow second division outfit Juventud Escazuceña in the 2012/13 season. In January 2014 Diach returned to Guatemala to play for Halcones.
Diach has made six appearances for the Costa Rica national football team, his debut coming in a qualifying match for the 1998 FIFA World Cup against Canada on November 16, 1997 which proved to be his sole FIFA competition match.
- David Diach seducido por el goleo - Futbol en Costa Rica (in Spanish)
- "Foreign Players in Greece since 1959/60". RSSSF. Archived from the original on 2008-12-10. Retrieved 2009-02-04.
- Cordero vuelve a Heredia - Nación (in Spanish)
- Diach cotizado - Al Día (in Spanish)
- "David Diach destacar en esta nueva etapa en Herediano". Al Día. 2006-12-31.
- David Diach reforzará a Limón FC - Al Día (in Spanish)
- David Diach encabeza los fichajes en Liga de Ascenso - Nación (in Spanish)
- Halcones FC confirma la llegada de diez jugadores Archived 2014-10-16 at the Wayback Machine. - Guatefutbol (in Spanish)
- "Costa Rica - Details International Matches 1993–2003". RSSSF. Retrieved 2008-10-17.
- David Diach – FIFA competition record
- David Diach at National-Football-Teams.com
- “Hay futbolistas buenos y malos, no viejos y jóvenes” David Diach, goleador de Barrio México (50 Questions) - Diario Extra (in Spanish)
- Profile at Nacion (in Spanish)
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