Chelsea v Aston Villa line-ups: Hazard and Cahill axed, two Blues youngsters start, four Villa changes
Eden Hazard and Gary Cahill have been dropped and Baba Rahman makes his first Premier League start as Chelsea make five changes for the visit of Aston Villa.
Hazard is omitted in favour of Pedro and Cahill is replaced by Kurt Zouma.
Ghanaian Rahman plays at left-back to allow Cesar Azpilicueta to move to right-back, replacing the injured Branislav Ivanovic.
Ruben Loftus-Cheek also starts, alongside Ramires in central midfield, with Cesc Fabregas pushed into a more advanced role and Diego Costa returns up front after suspension.
Aston Villa make four changes from the side which lost to Stoke in their last game.
Kieran Richardson starts at left-back ahead of Jordan Amavi, while Jordan Ayew, Jack Grealish and Carles Gil come in for Jose Crespo, Jordan Veretout and former Chelsea youngster Scott Sinclair.
Subs: Blackman, Cahill, Matic, Mikel, Oscar, Hazard, Remy.
Aston Villa: Guzan; Hutton, Richards, Lescott, Richardson; Westwood, Gueye; Gil, Grealish, Ayew; Gestede.
Subs from: Bunn, Bacuna, Amavi, Crespo, Sanchez, Traore, Sinclair.