London or Doha will be named 2017 world athletics championships hosts by the International Association of Athletics Federations on Friday.

André Villas-Boas has enjoyed a steady start to his reign at Chelsea but will be challenged by United who have started the season in great form.

Chelsea effectively secured the Premier League runners-up spot after they drew 2-2 at home with Newcastle United on Sunday.

World champions South Africa spoiled a sizzling debut from teenage winger George North to beat Wales 29-25 in a pulsating Test on Saturday.