Chelsea's coach Antonio Conte has been named Premier League manager of the year by the League Managers Association at their 25th annual awards dinner.
Millwall chief executive Steve Kavanagh has warned supporters they are responsible for their own behaviour following the unsavoury scenes.
Several hundred made it onto the playing surface in the first pitch invasion in the history of the new Wembley.
Steve Morison scored a late Wembley winner to clinch Millwall a 1-0 win against Bradford in the League One playoff final.
The trophy will be given to the manager chosen by his peers as the one to have achieved the most in a season.