Winter warm up

An attacker rounds the keeper and is about to play the ball into the empty net when a defender violently slides through the back of him with a vicious foul. But the defenders momentum also knocks the ball into his own net. What do you award

A long clearance is punted up field. A striker, in an offside position, watches bemused as it flies over his head. But then he decides to jog after the ball - which prompts the opposition goalkeeper to advance. But he advances too far: the ball takes a wicked bounce, flies over him and drops into the net. What is your decision?

A mouthy player who has already been cautioned is substituted. He storms off the field of play, and as he does so, turns and aims a torrent of foul verbal abuse at you. Neither the subbed player or his replacement is on the field of play. What do you do?