Luckily for Sunderland , Giroud mistakenly tried to clear the ball with his left foot from a bad angle .
Sunderland instead ricocheted into the upper corner of the net for an own goal .
Luckily for Sunderland , Giroud mistakenly tried to clear the ball with his left foot from a bad angle , and it instead ricocheted into the upper corner of the net for an own goal .