BBC Sport https://www.bbc.co.uk/sport/football/63285502 https://ichef.bbci.co.uk/live-experience/cps/240/cpsprodpb/146D8/production/_127227638_bbc-sport-index-imagery-3-split-images-gradient-86627848-80de-4ee6-851f-9c4aae8443e1.png With Gareth Southgate naming his provisional England World Cup squad on Thursday, BBC Sport takes a look at the goalkeeping options.