London (AFP) - RFU chief executive Ian Ritchie predicts the Rugby World Cup can help put the "feelgood factor" back in global sport following the corruption scandal that has rocked the world of football.Prince Harry and England's World Cup drop goal hero Jonny Wilkinson helped launch the Webb Ellis Cup tour at Twickenham on Wednesday to mark the 100 day milestone until the big kick off on September 18.The trophy will be taken to different venues and events around the UK and Ireland but Ritchie was focused more on the potential uplift and boost the tournament can give on the international stage in the wake of the damaging controversy engulfing Sepp Blatter and others at FIFA.The RFU boast that England 2015 will be the biggest and best World Cup so far with over two million tickets already sold, and Ritchie insisted: "This event has the capability, and certainly the delivery, to be a fantastic feel good tournament.