Bradford City FC received verbal abuse from Millwall fans as they invaded the pitch at the conclusion of the League One play-off final.
The Bantams were beat 1-0 at Wembley by the London team.
Steve Morison secured promotion to the Championship for Millwall by netting a volley late on in the game.
Milwall fans flooded the pitch at the sound of the final whistle, a contingent of which circled the Yorkshire team and hurled abuse.
Bradford City boss Stuart McCall said he was "close to clocking" the fans as they goaded his players.