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Squad of Costa Rica for World Cup U-20 2009
| # | | | | Player | | Height | |
Age | | | Position |
Team |
| 1 | |
| |
Alvarado, E
| | 1.93 | | 20 | | | GK |  Saprissa |
| 2 | |
| |
Mena, J
(c) | | 1.81 | | 20 | | | DF Centre-back | |
| 3 | |
| |
Smith, Roy
| | 1.84 | | 19 | | | DF Centre-back | Brujas FC |
| 4 | |
| |
Gutierrez, K
| | 1.78 | | 20 | | | DF Centre-back/Defensive midfielder | Alaj ense |
| 5 | |
| |
Johnson, Derrick
| | 1.94 | | 20 | | | DF Centre-back | |
| 6 | |
| |
Blanco, Ricardo (1989)
| | 1.71 | | 20 | | | DF Right-back/Left-back | |
| 7 | |
| |
Ureña, M
| | 1.81 | | 19 | | | FW Striker | Alaj ense |
| 8 | |
| |
Guzman, D
| | 1.78 | | 19 | | | MF Defensive midfielder | Saprissa |
| 9 | |
| |
Castro, Jorge
| | 1.80 | | 19 | | | FW Striker | Saprissa |
| 10 | |
| |
Estrada, Diego
| | 1.70 | | 20 | | | MF Attacking midfielder | Alaj ense |
| 11 | |
| |
Madrigal
| | 1.67 | | 20 | | | FW Left-wing | La U |
| 12 | |
 | |
Gamboa, C
| | 1.73 | | 19 | | | DF Right-back | Liberia |
| 13 | |
| |
Guevara, Al
| | 1.61 | | 20 | | | MF Either side midfield | Liberia |
| 14 | |
 | |
Oviedo, B
| | 1.72 | | 19 | | | DF Left-back/Left-midfield | Saprissa |
| 15 | |
| |
Leal, Pedro
| | 1.74 | | 20 | | | DF Left-back | Puntarenas |
| 16 | |
| |
Hernandez, Carlos
| | 1.82 | | 20 | | | MF Defensive midfielder | |
| 17 | |
| |
Martínez, Josué
| | 1.79 | | 19 | | | FW Striker/Either side wing | |
| 18 | |
| |
Alvarez, Minor
| | 1.90 | | 19 | | | GK | |
| 19 | |
| |
Varela, D
| | 1.68 | | 19 | | | MF Box-to-Box midfielder | |
| 20 | |
| |
Luna, Esteban
| | 1.72 | | 19 | | | MF | |
| 21 | |
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Carvajal
| | 1.87 | | 20 | | | GK | |
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