AC Milan and Aston Villa are the only remaining teams in the top five European leagues with 100 per cent records.
All eyes have been on the likes of Juventus and Inter in Italy, while the focus has been on Premier League champions Liverpool, Manchester City, Manchester United, Chelsea and Arsenal in England.
But Zlatan Ibrahimovic's AC Milan have been flawless in 2020-21, winning all four of their Serie A fixtures to top the standings.