England captain Alastair Cook won the toss and elected to field against South Africain the fourth one-day international at Lord's on Sunday.

England were unchanged from the side that won the third one-day international by four wickets across London at The Oval on Friday to level the five-match series at 1-1.

South Africa recalled Ryan McLaren for Morne Morkel, who had been rested, as Albie Morkel continued to be sidelined by ankle problems.

England: Alastair Cook (capt), Ian Bell, Jonathan Trott, Ravi Bopara, Eoin Morgan, Craig Kieswetter (wkt), Samit Patel, James Tredwell, Steven Finn, James Anderson, Jade Dernbach

South Africa: Graeme Smith, Hashim Amla, JP Duminy , AB de Villiers (capt/wkt), Dean Elgar, Faf du Plessis, Ryan McLaren, Wayne Parnell, Robin Peterson, Dale Steyn, Lonwabo Tsotsobe

Umpires: Simon Taufel (AUS) and Richard Illingworth (ENG)

TV umpire: Kumar Dharmasena (SRI)

Match referee: Andy Pycroft (ZIM)