Everton could face FA action over a laser targeting Stoke City striker Bojan Krkic on Friday.
The Daily Mail says images emerged after the match that demonstrated a green light hovering over the Stoke forward's eye as he stepped up to score the penalty kick that secured the three points for Mark Hughes' side.
It is understood that the player was not aware of the light at the time and didn't appear to be distracted as he put the ball beyond Tim Howard into the bottom left corner.
Everton's fate will be decided by the match report written by referee Lee Mason.
If Mason includes the information in his account, then the FA are highly likely to open an investigation.