Arsenal continue to lead the Premier League title race, with Mikel Arteta's side looking to extend their advantage at the top of the table when they face Chelsea

Even after their Club World Cup triumph over the summer, few had pencilled in this Chelsea side as serious Premier League contenders this season. A sluggish start to the campaign, which featured just two wins in their first six league games,

Chelsea host Barcelona in the Champions League at Stamford Bridge on Tuesday evening.The Blues were held to a 2-2 draw by Azerbaijan side Qarabag in their last outing, while Barcelona drew 3-3 at

Cole Palmer has suffered another injury setback at Chelsea, and it could have a truly seismic impact in the coming weeks.

Chelsea and Barcelona will both be looking for a bounce-back win in the Champions League after disappointing draws last time out. The Blues were held to a 2-2 draw by Qarabag at the start of the month while Barcelona required a late own-goal to rescue a 3-3 draw at Club Brugge.

Sports Mole takes a look at the records of the referee and VAR confirmed for Sunday's Premier League clash between Chelsea and Arsenal at Stamford Bridge in the London derby.

Red cards, refereeing controversies and, when the opportunity is allowed to arise, moments of great skill have defined this modern European rivalry.