Although the league was still called the VFL until this season, this is the unofficial fourth AFL season as the league expanded from 12 clubs to 14 clubs in 1987. The new clubs were West Coast Eagles and Brisbane Bears.
- Mick Malthouse left Footscray to become the coach at West Coast Eagles. Terry Wheeler replaced him as coach at Footscray.
- North Melbourne appointed one of their favorite players, Wayne Schimmelbusch as their coach.
- Ken Sheldon replaced Darrel Baldock as coach at St Kilda.
- Norm Dare was appointed coach at Brisbane Bears.
In his 1st season at West Coast Eagles, Mick Malthouse took the club up 8 places into the finals series. Whilst Geelong fell 7 places to 10th.
After qualifying for last season's finals series, Collingwood took the next step by winning the premiership. Essendon, after finishing second in 1989, were the minor premiers. Whilst Brisbane Bears won its first wooden spoon in its 4th season in the AFL.
The Coleman Medal for the leading goalscorer was awarded to John Longmire of North Melbourne. Tony Liberatore of Footscray won the Brownlow Medal.
|Qualifying Semi Final|
|Qualifying Final||Preliminary Final||Essendon|
|3||West Coast Eagles||Eliminating Semi Final||West Coast Eagles|
|West Coast Eagles|