Premier League team news: Chelsea v Liverpool

Diego Costa is back in contention. Credit: PA

Chelsea manager Jose Mourinho has yet to decide whether Diego Costa will feature against Liverpool this weekend.

The 26-year-old striker's campaign has been punctuated by hamstring problems but the Blues boss says he wants to feature, so he will balance the risk against desire.

Oscar is out for the remainder of the season with a thigh injury, which has kept him out of the recently-announced Brazil squad for the Copa America.

Striker Mario Balotelli returned to training this week after a foot injury and could make the squad for the trip to Chelsea.

Midfielder Lucas Leiva may be in contention for a start against the champions but defender Mamadou Sakho is still missing with a hamstring injury.

Striker Daniel Sturridge's hip operation has ruled him out until September.

Provisional squads

Chelsea: Courtois, Cech, Blackman, Ivanovic, Azpilicueta, Luis, Zouma, Cahill, Terry, Ake, Ramires, Mikel, Matic, Fabregas, Loftus-Cheek, Willian, Cuadrado, Remy, Drogba, Costa.

Liverpool: Mignolet, Can, Skrtel, Lovren, Ibe, Gerrard, Lucas, Moreno, Henderson, Coutinho, Sterling, Jones, Ward, Johnson, Manquillo, Toure, Allen, Markovic, Lallana, Lambert, Balotelli, Borini.