# 2009–10 Primera B Nacional

The 2009–10 Argentine Primera B Nacional was the 24th season of second division professional of football in Argentina. A total of 20 teams competed; the champion and runner-up were promoted to Argentine Primera División.

## Club information

| Club | City | Stadium |
| Aldosivi | Mar del Plata | José María Minella |
| All Boys | Floresta | Islas Malvinas |
| Atlético de Rafaela | Rafaela | Nuevo Monumental |
| Belgrano | Córdoba | El Gigante de Alberdi |
| Boca Unidos | Corrientes | José Antonio Romero Feris |
| CAI | Comodoro Rivadavia | Municipal de Comodoro Rivadavia |
| Defensa y Justicia | Florencio Varela | Norberto "Tito" Tomaghello |
| Deportivo Merlo | Parque San Martín | José Manuel Moreno |
| Ferro Carril Oeste | Caballito | Arq. Ricardo Etcheverry |
| Gimnasia y Esgrima | San Salvador de Jujuy | 23 de Agosto |
| Independiente Rivadavia | Mendoza | Bautista Gargantini |
| Instituto | Córdoba | Presidente Perón |
| Olimpo | Bahía Blanca | Roberto Natalio Carminatti |
| Platense | Florida | Ciudad de Vicente López |
| Quilmes | Quilmes | Centenario |
| San Martín | San Juan | Ing. Hilario Sánchez |
| San Martín | San Miguel de Tucumán | La Ciudadela |
| Sportivo Italiano | Ciudad Evita | Republica de Italia |
| Tiro Federal | Rosario | Fortín de Ludueña |
| Unión | Santa Fe | 15 de Abril |

## Standings

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or qualification |
| 1 | Olimpo (C, P) | 38 | 19 | 14 | 5 | 50 | 24 | +26 | 71 | Primera División |
| 2 | Quilmes (P) | 38 | 17 | 13 | 8 | 39 | 31 | +8 | 64 | Primera División |
| 3 | Atlético de Rafaela | 38 | 18 | 9 | 11 | 53 | 35 | +18 | 63 | Promotion Playoff Matches |
| 4 | All Boys | 38 | 19 | 6 | 13 | 45 | 37 | +8 | 63 | Promotion Playoff Matches |
| 5 | Instituto | 38 | 16 | 12 | 10 | 39 | 29 | +10 | 60 | |
| 6 | Belgrano | 38 | 15 | 12 | 11 | 47 | 41 | +6 | 57 | |
| 7 | San Martín (SJ) | 38 | 14 | 14 | 10 | 48 | 39 | +9 | 56 | |
| 8 | Gimnasia y Esgrima (J) | 38 | 14 | 12 | 12 | 34 | 37 | −3 | 54 | |
| 9 | Unión | 38 | 14 | 11 | 13 | 54 | 49 | +5 | 53 | |
| 10 | Defensa y Justicia | 38 | 14 | 10 | 14 | 54 | 53 | +1 | 52 | |
| 11 | San Martín (T) | 38 | 12 | 14 | 12 | 39 | 41 | −2 | 50 | |
| 12 | Ferro Carril Oeste | 38 | 12 | 13 | 13 | 36 | 39 | −3 | 49 | |
| 13 | Boca Unidos | 38 | 11 | 15 | 12 | 42 | 48 | −6 | 48 | |
| 14 | Platense | 38 | 11 | 14 | 13 | 39 | 40 | −1 | 47 | |
| 15 | Independiente Rivadavia | 38 | 12 | 11 | 15 | 47 | 58 | −11 | 47 | |
| 16 | Deportivo Merlo | 38 | 12 | 10 | 16 | 35 | 44 | −9 | 46 | |
| 17 | Tiro Federal | 38 | 12 | 8 | 18 | 52 | 53 | −1 | 44 | |
| 18 | CAI | 38 | 11 | 10 | 17 | 47 | 52 | −5 | 43 | |
| 19 | Aldosivi | 38 | 12 | 6 | 20 | 44 | 54 | −10 | 42 | |
| 20 | Sportivo Italiano | 38 | 6 | 4 | 28 | 34 | 74 | −40 | 22 | |

## Promotion/relegation playoff Legs Primera División-Primera B Nacional

The 3rd and 4th placed of the table played with the 18th and the 17th placed of the Relegation Table of 2009–10 Primera División.
| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Promotion playoff 1 |||||
| All Boys | 4–1 | Rosario Central | 1–1 | 3–0 |
| Promotion playoff 2 |||||
| Atlético de Rafaela | 2–3 | Gimnasia y Esgrima (LP) | 1–0 | 1–3 |
* All Boys was promoted to 2010–11 Primera División by winning the playoff and Rosario Central was relegated to 2010–11 Primera B Nacional.
* Gimnasia y Esgrima (LP) remained in the Primera División by winning the playoff.

## Relegation

| Pos | Team | 2007–08 Pts | 2008–09 Pts | 2009–10 Pts | Total Pts | Total Pld | Avg | Situation | Affiliation |
| 1 | Atlético de Rafaela | 53 | 62 | 53 | 178 | 114 | 1.561 | | Indirect |
| 2 | Belgrano | 56 | 62 | 57 | 175 | 114 | 1.535 | | Indirect |
| 3 | San Martín (T) | 66 | — | 50 | 116 | 76 | 1.526 | | Indirect |
| 4 | Quilmes | 55 | 51 | 64 | 170 | 114 | 1.491 | | Direct |
| 5 | All Boys | — | 50 | 63 | 113 | 76 | 1.487 | | Direct |
| 6 | Olimpo | — | 40 | 71 | 111 | 76 | 1.461 | | Direct |
| 7 | Gimnasia y Esgrima (J) | — | — | 54 | 54 | 38 | 1.421 | | Indirect |
| 8 | Instituto | 43 | 59 | 60 | 162 | 114 | 1.421 | | Indirect |
| 9 | San Martín (SJ) | — | 49 | 58 | 107 | 76 | 1.408 | | Indirect |
| 10 | Unión | 56 | 49 | 53 | 158 | 114 | 1.386 | | Direct |
| 11 | Ferro Carril Oeste | 51 | 52 | 48 | 151 | 114 | 1.325 | | Direct |
| 12 | Tiro Federal | 54 | 50 | 44 | 148 | 114 | 1.298 | | Indirect |
| 13 | Aldosivi | 48 | 57 | 48 | 147 | 114 | 1.289 | | Indirect |
| 14 | Boca Unidos | — | — | 48 | 48 | 38 | 1.263 | | Indirect |
| 15 | Defensa y Justicia | 43 | 49 | 52 | 144 | 114 | 1.263 | | Direct |
| 16 | Independiente Rivadavia | 47 | 50 | 47 | 144 | 114 | 1.263 | | Indirect |
| 17 | Deportivo Merlo | — | — | 46 | 46 | 38 | 1.211 | Relegation Playoff Matches | Direct |
| 18 | CAI | 51 | 36 | 43 | 130 | 114 | 1.14 | Relegation Playoff Matches | Indirect |
| 19 | Platense | 41 | 37 | 49 | 127 | 114 | 1.114 | Primera B Metropolitana | Direct |
| 20 | Sportivo Italiano | — | — | 22 | 22 | 38 | 0.579 | Primera B Metropolitana | Direct |
Note: Clubs with indirect affiliation with AFA are relegated to the Torneo Argentino A, while clubs directly affiliated face relegation to Primera B Metropolitana. Clubs with direct affiliation are all from Greater Buenos Aires, with the exception of Newell's, Rosario Central, Central Córdoba and Argentino de Rosario, all from Rosario, and Unión and Colón from Santa Fe.
The bottom two teams of this table face relegation regardless of their affiliation status. Apart from them, the bottom teams of each affiliation face promotion/relegation playoffs against Torneo Argentino A and Primera B Metropolitana's "Reducido" (reduced tournaments) champions. The Reducidos are played after those leagues' champions are known.
Updated as of games played on June 18, 2010. Source:

## Relegation Playoff Legs

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Relegation/promotion playoff 1 (Direct affiliation vs. Primera B Metropolitana) |||||
| Sarmiento | 0–2 | Deportivo Merlo | 0–1 | 0–1 |
| Relegation/promotion playoff 2 (Indirect affiliation vs. Torneo Argentino A) |||||
| Santamarina | 2–7 | CAI | 2–2 | 0–5 |
* Deportivo Merlo remained in the Primera B Nacional by winning the playoff.
* CAI remained in the Primera B Nacional by winning the playoff.