Sporting legends including Sir Chris Hoy have recorded good-luck messages for the Team Sky riders ahead of the Tour de France Grand Depart on Saturday.

Chris Froome will try to defend his title without the help of former champion Sir Bradley Wiggins when the elite race gets underway in Yorkshire tomorrow.

Sports stars from the world of cycling, cricket, rugby, golf and boxing have given their support to the nine-man team.

Sir Ian Botham, Shane Warne, Will Greenwood, Brian Carney, Johnny Nelson and Colin Montgomerie are among those to say 'hats off' in a special video to the riders ahead of the Tour de France.