Chelsea are not a team of divers, according to manager Jose Mourinho, whose side had a player booked for the offence for the second week running on Sunday.
Chelsea manager Jose Mourinho has challenged Juan Mata to prove him wrong on the pitch for overlooking the Spaniard's claims and preferring Brazilian Oscar as his number one playmaker.
Images from the Champions League matches plsyed across Europe on Wednesday.
Midfielder Cesc Fabregas must continue to sharpen the defensive side of his game to earn a place in Chelsea's starting line-up, manager Antonio Conte has said.
Chelsea banished any fears of a repeat of last season's shock FA Cup fourth-round exit to Bradford City when they crushed Championship (second-tier) side Milton Keynes Dons 5-1 away to reach the fifth round on Sunday.
"Diego Costa's out which means we have to solve that problem in 24 hours," new interim coach Guus Hiddink told reporters.
West Bromwich Albion inflicted further misery on Manchester United, winning 2-1 at Old Trafford on Saturday to condemn the champions to their worst start to a Premier League season and leave them in the bottom half of the table after six games.
Barcelona's Lionel Messi and Luis Suarez secured victory over nine-man Atletico Madrid in La Liga's top of the table clash, while Juventus won a 12th straight Serie A game to stay hot on the heels of leaders Napoli.
A fixture billed as a pre-Christmas cracker was more 'In the Bleak Midwinter' than 'Jingle Bell Rock' as Arsenal's hopes of regaining top spot in the Premier League fizzled out in a turgid 0-0 draw with Chelsea.