At the same time, both Ennis and Idowu know that no British athlete has ever retained a world championship title.
"There's a reason why no team has ever retained the Champions League – and that's because it's really difficult," Giggs said.
Mark Selby No first-time winner of the competition has ever retained their crown, but if anyone is capable of breaking the famous 'Crucible curse', then the Leicester man is.
Abramovich is probably not interested in history, but no team has ever retained the European title two seasons in a row since the Champions League was formed two decades ago.
No modern swimmer had ever retained an Olympic breaststroke title prior to the 25-year-old's triumph in the 100m earlier this week and his commanding victory in the 200m has confirmed him as the best breaststroker of all time.
To beat Davis was shocking enough, but his 10-1 was was barely believable, as the Crucible Curse had struck again (no first-time world champion has ever retained his title since the move to Sheffield).
No first-time winner of the competition has ever retained their crown, a statistic Selby is well aware of.
No side has ever retained the Champions League crown but, unbeaten in the league for 49 matches and now in the quarter-finals, Bayern are strongly fancied by many to make history in Lisbon in May.
With Barcelona's elimination tonight, no team has still ever retained the Champions League since its inception in 1992-93.
"Now I've got to enjoy one of the most amazing things I've ever done, retaining the World Championship title.
