Why is Sunderland vs Arsenal at 8pm on Saturday?

Sunderland and Arsenal's last meeting at the Stadium of Light ended in a 2-2 draw [Getty Images]Defending Premier League champions Arsenal head to Sunderland on Saturday evening, with their match at the Stadium of Light kicking off at 20:00 BST.The unusual kick-off time has been used on a few occasions by the league in recent seasons.Because Arsenal are playing away at Napoli on Wednesday night in their first Champions League fixture of the season, the late kick-off allows them extra recovery ti