Christian Horner says Mark Webber closing the gap to Sebastian Vettel --
Red Bull Racing team principal Christian Horner has said that Mark Webber is closing the gap between him and his teammate Sebastian Vettel who is currently dominating the 2011 Formula 1 season by 186 points in the drivers' standings.
Mark Webber asked the team to instruct teammate Sebastian Vettel to ``back off'' before Sunday's race wrecking smash, according to team boss Christian Vettel.