For some context, Champness had only been subbed on 4 mins prior, yet already had a great chance blocked by same keeper from what I noticed in the highlights. That would have frustrated him. So the adrenaline would have been running high, playing at one of Turkey's biggest club stadiums. Plus any language barriers, and not initially knowing how badly keeper (who had made a terrible mare for the 2nd goal) was hurt
https://www.stuff.co.nz/sport/football/world-game/127125677/right-or-wrong-joey-champness-scores-after-goalkeeper-goes-down-injured
In a statement translated to English, a Giresunspor spokesperson said after the game that Champness and his team-mates did not know the goalkeeper was hurt until after the goal had already been scored and he could not hear the calls from the sideline not to throw the ball to his team-mate in celebration.
https://www.stuff.co.nz/sport/football/world-game/127125677/right-or-wrong-joey-champness-scores-after-goalkeeper-goes-down-injured
In a statement translated to English, a Giresunspor spokesperson said after the game that Champness and his team-mates did not know the goalkeeper was hurt until after the goal had already been scored and he could not hear the calls from the sideline not to throw the ball to his team-mate in celebration.