Cape Town - England captain Eoin Morgan has won the toss and elected to bat in the first ODI against South Africa in Bloemfontein.
Batsman Jason Roy was passed fit to play and open the batting for England after a back problem in the build-up to the series opener. Stars of England's recent Test series win Joe Root and Ben Stokes will bolster England's batting.
England also picked all-rounder Chris Jordan and seamers Reece Topley and David Willey, and have two spinner options in Moeen Ali and Adil Rashid.
South Africa gave opportunities to seamers Chris Morris and Marchant de Lange after injury problems among their fast bowlers.
Dale Steyn and Kyle Abbott are injured while Kagiso Rabada was rested after a big workload in the Test series.
South Africa 1 Hashim Amla, 2 Quinton de Kock (wicketkeeper), 3 Faf du Plessis, 4 AB de Villiers (captain), 5 JP Duminy, 6 Rilee Rossouw, 7 Farhaan Behardien, 8 Chris Morris, 9 Morne Morkel 10, Marchant de Lange, 11 Imran Tahir
England 1 Moeen Ali, 2 Alex Hales, 3 Joe Root, 4 Eoin Morgan (captain), 5 Ben Stokes, 6 Jos Buttler (wicketkeeper), 7 Moeen Ali, 8 Chris Jordan, 9 Adil Rashid, 10 David Willey, 11 Reece Topley
Umpires: Chris Gaffaney (NZL), Shaun George (RSA)
TV umpire: Kumar Dharmasena (SRI)
Match referee: Javagal Srinath (IND)