Do referees favour big football teams?

LONDON – Famous football teams benefit from favourable refereeing decisions when playing at home, it has been claimed this week. Is that true?
Manchester City striker Mario Balotelli scores from the penalty spot at the Etihad stadium against Sunderland on Saturday. Net photo.
Manchester City striker Mario Balotelli scores from the penalty spot at the Etihad stadium against Sunderland on Saturday. Net photo.
Quartz