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Squad of Costa Rica for World Cup U-20 2017
| # | | | | Player | | Height | |
Age | | | Position |
Team |
| | 13 | |
| |
Pineda, A
| | 1.77 | | 20 | | | GK |  Alaj ense |
| | 3 | |
| |
Arboine
(c) | | 1.76 | | 19 | | | DF Centre-back | Santos CR |
| 5 | |
| |
González, Esteban (1998)
| | 1.71 | | 19 | | | DF Centre-back | |
| 2 | |
| |
Mesén, D
| | 1.87 | | 18 | | | DF Centre-back | Alaj ense |
| 6 | |
| |
Hernández, LJ
(c) | | 1.77 | | 19 | | | DF Left-back | |
| 4 | |
| |
Smith, Ian
| | 1.76 | | 19 | | | DF Right-back | Santos CR |
| 19 | |
| |
Salinas, Y
| | 1.82 | | 18 | | | DF Right-back/Centre-back | Saprissa |
| | 14 | |
| |
Núñez, Cristopher
| | 1.71 | | 19 | | | MF Attacking midfielder | Cart gnes |
| 10 | |
 | |
Martínez, Jonathan (1998)
| | 1.71 | | 19 | | | MF Box-to-Box midfielder | Carmelita |
| 15 | |
| |
Alfaro, Bernald
| | 1.77 | | 20 | | | MF Box-to-Box midfielder | Carmelita |
| 20 | |
| |
Juárez, Eduardo
| | 1.72 | | 18 | | | MF Defensive midfielder | Alaj ense |
| 12 | |
| |
Arguedas
| | 1.74 | | 20 | | | MF Defensive midfielder | |
| 16 | |
| |
Zúñiga, Z
| | 1.77 | | 20 | | | MF Left-midfield/Left-back | Carmelita |
| 17 | |
| |
Sibaja
| | 1.75 | | 19 | | | MF Left-midfield/Left-back | |
| 21 | |
| |
Torres, Gerson
| | 1.69 | | 19 | | | MF Right-midfield/Left-midfield |  América |
| 8 | |
| |
Marín, J
| | 1.70 | | 19 | | | MF Either side midfield | Heredia |
| | 7 | |
| |
Sequeira, B
| | 1.78 | | 18 | | | FW Left-wing | Alaj ense |
| 9 | |
| |
Daly, JA
| | 1.84 | | 19 | | | FW Striker/Left-wing | |
| 11 | |
| |
Leal, Randall
| | 1.69 | | 20 | | | FW Either side wing/Attacking midfielder |  Mechelen |
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