Football
Unión: history and honours
Titles, season-by-season finishes and head-to-heads, from the seasons and matches we follow.
Season by season
Head to head
| Opponent | P | W | D | L | Goals |
|---|---|---|---|---|---|
| Defensa y Justicia | 12 | 4 | 2 | 6 | 12–14 |
| Gimnasia y Esgrima de La Plata | 11 | 5 | 1 | 5 | 14–15 |
| Newell's Old Boys | 11 | 3 | 3 | 5 | 8–11 |
| Boca Juniors | 10 | 2 | 5 | 3 | 7–11 |
| Lanús | 10 | 4 | 4 | 2 | 16–11 |
| Racing Club | 10 | 2 | 2 | 6 | 9–13 |
| Aldosivi | 9 | 5 | 2 | 2 | 15–11 |
| Atlético Tucumán | 9 | 3 | 2 | 4 | 12–13 |
| Central Córdoba de Santiago del Estero | 9 | 2 | 1 | 6 | 5–14 |
| Estudiantes de La Plata | 9 | 3 | 1 | 5 | 9–12 |
| Huracán | 9 | 3 | 4 | 2 | 5–4 |
| Independiente | 9 | 1 | 4 | 4 | 11–14 |
| Sarmiento | 9 | 4 | 1 | 4 | 13–11 |
| Talleres de Córdoba | 9 | 0 | 5 | 4 | 7–13 |
| Argentinos Juniors | 8 | 3 | 0 | 5 | 7–11 |
| Banfield | 8 | 4 | 3 | 1 | 12–8 |
| San Lorenzo | 8 | 2 | 2 | 4 | 10–9 |
| Vélez Sarsfield | 8 | 3 | 2 | 3 | 7–14 |
| Arsenal de Sarandí | 7 | 3 | 2 | 2 | 8–9 |
| Platense | 7 | 1 | 3 | 3 | 4–6 |
From the seasons and matches we follow: older history may be missing.