straight to your inboxFormer Manchester United chief executive Peter Kenyon has revealed why the club turned to signing Cristiano Ronaldo after failing to lure Ronaldinho to Old Trafford.Kenyon oversaw a huge summer back in 2003 which saw David Beckham leave the club to join Real Madrid and United fail in a bid to sign Ronaldinho as his replacement from Paris Saint-Germain.The former United chief insists the club 'worked really hard' to lure World Cup winner Ronaldinho to the club but there came