BBC Sport https://www.bbc.co.uk/sport/football/63054249 https://ichef.bbci.co.uk/live-experience/cps/240/cpsprodpb/9E59/production/_126873504_kierantrippiertrentalexander-arnold.jpg England boss Gareth Southgate feels Trent Alexander-Arnold's "all-round game" is behind that of right-back rival Kieran Trippier.