Ronaldo raised doubts over his future at Old Trafford when he told a Spanish TV station last week: "let's see after the Champions League final what happens".

BBC: Judge us on honours, says Carrick

Coming into the tournament without injured talisman Michael Ballack, doubts over the future of coach Joachim Loew and the second-youngest squad in the competition, many might have expected Germany to struggle in South Africa.

BBC: Germany 4-0 Australia

Ancic, who made the last four at Wimbledon in 2004, missed the last seven months of last year and he began work in a law firm as doubts over his future in tennis grew.

BBC: Mario Ancic given wildcard for Queen's Club

Mourinho continued his tirade against Italian football this week, declaring, "I don't like it and it doesn't like me", to place further doubts over his future but for now he remains a committed to the Inter cause and on course to deliver on his mandate of Champions League success.

BBC: Inter Milan 1-0 CSKA Moscow

Doubts over the country's future in the euro zone have grown sharply since the prior elections.

WSJ: Greek Pro-Bailout Parties Seek Coalition

At the same time, the postponement has cast new doubts over Chester's very future as a football club.

BBC: Chester match at Grays called off

Doubts had been raised over Leeds' future after the club failed to agree a Company Voluntary Arrangement (CVA).

BBC: Leeds hit with 15-point penalty