1988–89 Argentine Primera División
The 1988–89 Argentine Primera División was the 98th season of top-flight football in Argentina. The season ran from September 11, 1988 to May 28, 1989.
This tournament introduced the use of penalty shootouts to resolve tie games. Due to lack of interest, it was discontinued for the following season.
This championships served as qualification for both Copa Libertadores editions, 1989 and 1990 and Platense.
Independiente won the championship while San Martín and
Deportivo Armenio were relegated. River Plate won the Liguilla pre-Libertadores, qualifying to the 1990 edition.
| Position | Player | Team | Goals |
| 1 | Oscar Dertycia | Argentinos Juniors | 20 |
| 1 | Néstor Raúl Gorosito | San Lorenzo | 20 |
| 3 | Juan Comas | Racing | 19 |
| 4 | Ariel Cozzoni | Instituto | 18 |
Relegation
Liguilla Pre-Libertadores
Quarter finals
| Home | Home | 1st Leg | 2nd leg | Aggregate |
| Chaco For Ever | Boca Juniors | 0-1 | 1-2 | 1-3 |
| Argentinos Juniors | River Plate | 2-0 | 0-1 | 2-1 |
| Platense | Deportivo Español | 0-0 | 3-1 | 3-1 |
| Talleres | San Lorenzo | 0-2 | 1-1 | 1-3 |
Semi finals
| | Score |
| Argentinos Juniors | San Lorenzo | 1-3 |
| Platense | Boca Juniors | 1-1 |
Winners Final
| Home | Home | 1st Leg | 2nd leg | Aggregate |
| Boca Juniors | San Lorenzo | 1-1 | 0-4 | 1-5 |
- San Lorenzo qualified to play a final with the winner of the requalifying tournament.
Requalifying tournament
First round
| Home | Home | 1st Leg | 2nd leg | Aggregate |
| Argentinos Juniors | River Plate | 0-1 | 0-4 | 0-5 |
| Deportivo Español | Newell's Old Boys | 1-0 | 0-0 | 1-0 |
Second round
| Home | Home | 1st Leg | 2nd leg | Aggregate |
| River Plate | Deportivo Español | 1-0 | 1-0 | 2-0 |
Requalifying Final
| Home | Home | 1st Leg | 2nd leg | 3rd leg | Aggregate |
| River Plate | Boca Juniors | 0-0 | 0-0 | 2-1 | 2-1 |
Liguilla Final
| Home | Home | 1st Leg | 2nd leg | Aggregate |
| San Lorenzo | River Plate | 1-0 | 0-0 | 1-0 |
- River Plate qualified for Copa Libertadores 1990
