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 | Emir Faccioli | ARG | D | 1.85 | 84 | 05-08-89 | Margarita | Defensa y Justicia |
| 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 | Jonathan Fleita | ARG | D | 1.80 | 70 | 20-01-95 | Santa Fe | None |
| 7 | Julio Rodríguez | PAR | F | 1.83 | 78 | 05-12-90 | Asunción | Dorados de Sinaloa |
| 8 | Santiago Nagüel | ARG | M | 1.69 | 68 | 28-01-93 | Capital Federal | Racing Club |
| 9 | Claudio Riaño | ARG | F | 1.79 | 80 | 16-08-88 | Córdoba | Independiente |
| 10 | Ignacio Malcorra | ARG | M | 1.70 | 70 | 24-07-87 | Río Negro | Aldosivi (Mar del Plata) |
| 11 | Martín Rolle | ARG | M | 1.67 | 65 | 02-02-85 | Rosario | San Lorenzo |
| 12 | Nicolás Andereggen | ARG | F | 1.78 | 74 | 22-09-99 | San Jerónimo Norte | None |
| 13 | Marcos Peano | ARG | G | 1.85 | 70 | 15-10-98 | Freyre | None |
| 14 | Bruno Pittón | ARG | D | 1.79 | 69 | 01-02-93 | Santa Fe | None |
| 15 | Nelson Acevedo | ARG | M | 1.79 | 78 | 11-07-88 | Resistencia | Racing Club |
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| 17 | Nahuel Zárate | ARG | D | 1.80 | 73 | 27-01-93 | Capital Federal | Boca Juniors |
| 18 | Lucas Gamba | ARG | F | 1.65 | 65 | 24-06-87 | Mendoza | Independiente Rivadavia |
| 19 | Santiago Lebus | ARG | M | 1.80 | 73 | 18-07-96 | Santo Tomé | None |
| 20 | Tomás Bolzicco | ARG | F | 1.80 | 70 | 29-11-94 | Santa Fe | None |
| 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 | Brian Blasi | ARG | D | 1.80 | 75 | 08-02-96 | Monte Vera | None |
| 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 Fantín | ARG | M | 1.76 | 72 | 21-11-95 | Barranqueras | None |
| 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 |
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| 32 | Lucas Algozino | ARG | M | 1.72 | 69 | 29-09-95 | Santa Fe | 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 |