in 2 SecOnDs
ledley king of tottenham hotspur scored after 10 seconds.
When a goal is scored off a throw in
It is merely "a goal."
Kaka and C. Ronaldo both scored in 19 seconds.
The Laws of the Game do not dictate where a player can or cannot be on the field during normal play, there are restrictions during some restarts.
By getting the ball into the goal ie score a goal
When the ball enters either goal while in play.