Unión (Santa Fe)
Official Name: Club Atlético Unión
Formed: 1907 Ground: 15 de Abril (22,300) Manager: Leonardo Madelón [ARG]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Previous Club |
| 1 | Nereo Fernández | ARG | G | 1.95 | 85 | 13-04-79 | La Brava | Argentinos Juniors |
| 2 | Rolando García | PAR | D | 1.85 | 76 | 10-02-90 | San Estanislao | Lobos de la BUAP |
| 3 | Marcelo Cardozo | ARG | D | 1.78 | 75 | 08-12-87 | La Plata | Aldosivi |
| 4 | Santiago Zurbriggen | ARG | D | 1.77 | 72 | 27-01-90 | Santa Fe | None |
| 5 | Mauricio Martínez | ARG | D | 1.74 | 66 | 20-02-93 | Santo Tomé | None |
| 6 | Leonardo Sánchez | ARG | D | 1.89 | 85 | 02-08-86 | La Plata | Argentinos Juniors |
| 7 | Matías Sánchez | ARG | M | 1.73 | 68 | 10-08-87 | Temperley | Levadiakos |
| 8 | Fausto Montero | ARG | M | 1.73 | 72 | 22-10-88 | Paraná | None |
| 9 | Claudio Riaño | ARG | F | 1.79 | 80 | 16-08-88 | Córdoba | Independiente |
| 10 | Juan Rivas | ARG | M | 1.78 | 69 | 14-08-92 | Santa Fe | None |
| 11 | Ignacio Malcorra | ARG | M | 1.70 | 70 | 24-07-87 | Río Negro | Aldosivi |
| 12 | Jonathan Fleita | ARG | D | 1.80 | 70 | 20-01-95 | Santa Fe | None |
| 13 | ||||||||
| 14 | Bruno Pittón | ARG | D | 1.79 | 69 | 01-02-93 | Santa Fe | None |
| 15 | Matías Fantín | ARG | M | 1.76 | 72 | 21-11-95 | Barranqueras | None |
| 16 | Jonatan Tarquini | ARG | F | 1.76 | 75 | 27-06-94 | Santa Fe | None |
| 17 | Lucas Colitto | ARG | F | 1.72 | 67 | 01-06-94 | San Martín | Arouca |
| 18 | Lucas Gamba | ARG | F | 1.65 | 65 | 24-06-87 | Mendoza | Independiente Rivadavia |
| 19 | Mauro Maidana | ARG | D | 1.77 | 71 | 12-07-90 | Esperanza | None |
| 20 | Facundo Affranchino | ARG | M | 1.79 | 74 | 09-02-90 | Paraná | Lobos de la BUAP |
| 21 | Diego Villar | ARG | M | 1.75 | 71 | 25-04-82 | Mar del Plata | Racing Club |
| 22 | Emanuel Brítez | ARG | D | 1.78 | 74 | 26-03-92 | Santa Fe | None |
| 23 | Manuel De Iriondo | ARG | M | 1.79 | 75 | 06-05-93 | Santa Fe | Atlético Rafaela |
| 24 | Facundo Castro | ARG | F | 1.71 | 84 | 28-02-96 | San Miguel del Monte | Racing Club |
| 25 | Joaquín Papaleo | ARG | G | 1.88 | 78 | 23-03-94 | Santa Fe | None |
| 26 | Agustin Sandoná | ARG | D | 1.84 | 78 | 01-05-93 | Santa Fe | None |
| 27 | Franco Soldano | ARG | F | 1.80 | 76 | 14-09-94 | Córdoba | Unión (Sunchales) |
| 28 | Matías Castro | ARG | F | 1.82 | 78 | 18-12-91 | Neuquén | Danubio |
| 29 | Matías Castro | URU | G | 1.86 | 85 | 24-10-87 | Canelones | Liverpool [URU] |
| 30 | Mauro Pittón | ARG | M | 1.81 | 70 | 08-08-94 | Santa Fe | None |
| 31 | Tomás Bolzicco | ARG | F | 1.80 | 70 | 29-11-94 | Santa Fe | None |
| 32 | Lucas Algozino | ARG | M | 1.72 | 69 | 29-09-95 | Santa Fe | None |
| 33 | Nicolás Andereggen | ARG | F | 1.78 | 74 | 22-09-99 | San Jerónimo Norte | None |
| 34 | Gerónimo Lissi | ARG | M | 1.87 | 79 | 02-02-95 | Rosario | None |
| 35 | Brian Blasi | ARG | D | 08-02-96 | Monte Vera | None | ||
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Players no longer at this club |
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| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | New Club |
| 28 | Fernando Coniglio | ARG | F | 1.80 | 70 | 24-11-91 | Laborde | Rosario Central |
| 7 | Enrique Triverio | ARG | F | 1.82 | 78 | 31-12-88 | Aldao | Toluca |
| 9 | Claudio Guerra | ARG | F | 1.84 | 82 | 05-08-83 | Capitán Bermúdez | Sportivo Belgrano (San Francisco) |
| 14 | Juan Pablo Avendaño | ARG | D | 1.87 | 81 | 10-05-82 | Laguna Larga | Retired |
| 20 | Martín Fabro | ARG | M | 1.70 | 64 | 19-04-85 | José Mármol | Boca Unidos (Corrientes) |
| 24 | Sebastián Caballero | ARG | M | 1.79 | 78 | 06-01-92 | Santa Fe | |
| 13 | Matías Sánchez | ARG | M | 1.73 | 68 | 10-08-87 | Temperley | Re-Registered (7) |
| 17 | Emiliano Ellacópulos | ARG | M | 1.75 | 67 | 14-01-92 | Munro | Tigre |