Chelsea host Liverpool on Sunday afternoon knowing that a victory can take them four points clear of the Reds in the Premier League table.
Jose Mourinho's side kept their second clean sheet in a row on Boxing Day against Swansea City, but the Portuguese coach will be concerned by his team's lack of form in front of goal.
Fernando Torres is likely to replace Samuel Eto'o in attack, while Frank Lampard is expected to replace the suspended Ramires.
Liverpool had won four successive matches before they succumbed to a 2-1 defeat against Manchester City at the Etihad Stadium on Boxing Day.
Boss Brendan Rodgers is likely to name an unchanged starting lineup for the visit to Stamford Bridge.
Recent form
Chelsea: LWWLDW
Liverpool: LWWWWL
Possible starting lineups
Chelsea: Cech; Ivanovic, Azpilicueta, Cahill, Terry; Mikel, Lampard, Schurrle, Oscar, Hazard; Torres
Liverpool: Mignolet; Johnson, Cissokho, Skrtel, Sakho; Lucas, Allen, Henderson, Sterling, Coutinho; Suarez
Sports Mole says: 2-2