Roberto Luongo vacated the net to go to the bench for an extra attacker. The Canucks were trying to gather themselves in the defensive zone for a rush up the ice with the extra attacker.
It ended up getting blocked by the stick of Tikhonov, who was forechecking in the Canucks zone with hopes of gaining possession of the puck for the whistle to blow. Howver, the whistle wasn’t blown because Tikhonov didn’t have control.
O’Brien, seeing the possibility of Tikhonov getting puck, swung his stuck wildly at the puck in an attempt get it away from Tikhonov. He ended swinging at it hard enough to give it the little extra ‘mustard’ it needed to propel the puck towards the empty Canucks net.
The worst part about this goal was the Canucks were already down 3-0 to the Coyotes midway through the game. The own goal put the Coyotes up 4-0 and put the game out of reach for the Canucks. They ended up losing it 5-1.