Unión no pudo salir del cero ante Rosario Central por la fecha 19 del torneo de reserva, el encuentro se jugó en el estadio 15 de Abril. Este 0 a 0 en Santa Fe marca que el tatengue sigue en la última posición del torneo con tan solo 14 puntos.
#ReservaLPF ⚽️
— Club Atlético Unión (@clubaunion) October 29, 2021
🔚 Final del partido
🆚 #Unión 0 - 0 #RosarioCentral#VamosTate 🇦🇹
📸 Gabriel Palomeque pic.twitter.com/hL825xa5OQ
El equipo de Mosset formó con: Gonzalez; Paz, Calderon, Balbo, Werro, Sanz; Macies, Comas, Juarez, Del Blanco; Lazzarotto. Los suplentes fueron: Geist, Profini, Vidal, Franzotti, Peresutti, Castellano, Spelzini, Torres, Hussein, Venetucci, Meynier, Seguro.
Las posiciones:
Tabla Puntos Reserva
| # | Equipo | Pts | PJ | PG | PE | PP | GF | GC | DIF |
|---|---|---|---|---|---|---|---|---|---|
| 1 |  Boca Juniors |
37 | 18 | 11 | 4 | 3 | 44 | 16 | +28 |
| 2 |  Estudiantes (LP) |
36 | 18 | 10 | 6 | 2 | 34 | 21 | +13 |
| 3 |  Argentinos |
34 | 18 | 10 | 4 | 4 | 25 | 16 | +9 |
| 4 |  Colon |
33 | 19 | 9 | 6 | 4 | 20 | 14 | +6 |
| 5 |  Lanus |
31 | 18 | 9 | 4 | 5 | 23 | 13 | +10 |
| 6 |  Gimnasia (LP) |
30 | 19 | 8 | 6 | 5 | 27 | 24 | +3 |
| 7 |  Rosario Central |
29 | 19 | 8 | 5 | 6 | 35 | 25 | +10 |
| 8 |  Platense |
29 | 19 | 8 | 5 | 6 | 26 | 21 | +5 |
| 9 |  Banfield |
28 | 18 | 8 | 4 | 6 | 23 | 22 | +1 |
| 10 |  Newells |
28 | 19 | 7 | 7 | 5 | 23 | 22 | +1 |
| 11 |  Talleres (C) |
25 | 18 | 6 | 7 | 5 | 20 | 20 | 0 |
| 12 |  Def y Justicia |
25 | 19 | 6 | 7 | 6 | 22 | 26 | -4 |
| 13 |  Atl Tucuman |
24 | 19 | 5 | 9 | 5 | 19 | 17 | +2 |
| 14 |  Godoy Cruz |
24 | 17 | 6 | 6 | 5 | 21 | 22 | -1 |
| 15 |  Arsenal |
24 | 19 | 6 | 6 | 7 | 18 | 19 | -1 |
| 16 |  River Plate |
24 | 18 | 8 | 0 | 10 | 22 | 24 | -2 |
| 17 |  San Lorenzo |
23 | 17 | 5 | 8 | 4 | 19 | 19 | 0 |
| 18 |  Independiente |
22 | 19 | 5 | 7 | 7 | 14 | 18 | -4 |
| 19 |  Sarmiento (J) |
21 | 19 | 5 | 6 | 8 | 22 | 29 | -7 |
| 20 |  Velez |
20 | 17 | 4 | 8 | 5 | 18 | 22 | -4 |
| 21 |  Patronato |
20 | 19 | 5 | 5 | 9 | 21 | 33 | -12 |
| 22 |  Huracan |
17 | 18 | 5 | 2 | 11 | 16 | 23 | -7 |
| 23 |  Central Cba (SdE) |
17 | 18 | 5 | 2 | 11 | 16 | 27 | -11 |
| 24 |  Racing Club |
16 | 19 | 3 | 7 | 9 | 19 | 29 | -10 |
| 25 |  Aldosivi |
16 | 18 | 5 | 1 | 12 | 18 | 28 | -10 |
| 26 |  Union |
14 | 19 | 2 | 8 | 9 | 15 | 30 | -15 |