Five minutes into the game against Mexico in Miyagi on 9 June 2002, El Tín scored the first World Cup goal in Ecuador's history. Thirty-one goals in 72 caps stood as Ecuador's record until Enner Valencia passed it, and he was in the LDU Quito squad that won the 2008 Copa Libertadores, with league titles at Barcelona SC in 1995 and 1997 and El Nacional in 1996. Career record: 71 caps and 31 goals for Ecuador; club career at Club Deportivo El Nacional, Club Necaxa, Liga Deportiva Universitaria de Quito.
| 1991–1992 | Club Deportivo ESPOLI |
| 1993–1994 | Barcelona S.C. |
| 1995–1996 | Club Deportivo El Nacional |
| 1997–1998 | Barcelona S.C. |
| 1997–1997 | Deportivo Independiente Medellín |
| 1998–1998 | Cruz Azul |
| 1999–2001 | Club Necaxa |
| 2001–2004 | Southampton |
| 2004–2004 | Sociedad Deportiva Aucas |
| 2004–2004 | Pumas UNAM |
| 2005–2005 | Barcelona S.C. |
| 2006–2008 | Liga Deportiva Universitaria de Quito |
| Ecuador | 71 caps, 31 goals |
Ecuador legends whose careers overlapped Delgado's
One rank above: Iván Hurtado at #6.
One rank below: Edison Méndez at #8.
Ecuador's editorial top five: Alberto Spencer · Antonio Valencia · Willian Pacho · Álex Aguinaga · Enner Valencia.