In this week’ Sport: England v Wales – five key questions ahead of the crucial, all-British Group B clash, with Rio Ferdinand | We preview the Euro 2016 second round group games, including a make-or-break tie for Northern Ireland | England midfielder Adam Lallana on facing Wales and meeting old pal Gareth Bale | Masters champion Danny Willett on the brutal challenge presented by next week’s US Open | England opening batsman Jason Roy on nerves and giving Kumar Sangakkara a hug | Ultra-runner Robbie Britton gets naked and talks mental anguish in Sport Uncovered | Jessica Ennis-Hill likes pyjamas, loathes dopers | Plus: David Flatman on Super Maro Itoje’s unbeaten run