Mark Webber is the latest sporting star to donate a money-can't-buy auction item to Sir Bobby Robson's Breakthrough Online Charity Auction.

Motorsports fans will be able to bid on a racing overall signed by the Red Bull driver when the auction goes live today [10 October].

Webber now joins an ever-growing and impressive list of sporting stars, personalities and leading businesses who have donated to the auction in an effort to help raise an ambitious ?1million in memory of football legend, Sir Bobby. Celebrity donators include acclaimed actor Bill Nighy, Tottenham Hotspur manager Andre Villas-Boas, comedian David Walliams, TV personality Piers Morgan, former England midfielder, Kieron Dyer and England cricketer, Graeme Swann.

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"Sir Bobby was respected by everyone in the sporting world, not just the football industry and I'm honoured and pleased to donate a signed racing overall to this wonderful auction to help them reach their ?1million goal," said Webber ahead of this weekend's Japanese Grand Prix, the 15th round in the 2013 F1 World Championship.

Organisers meanwhile are urging people to register to bid or to donate a money-can't-buy prize like Webber's and help the auction reach its ambitious ?1million target.

"My family and I are committed to continuing the work started by my father in supporting cancer research and the online auction is a great platform to help us raise crucial funds for these charities. I encourage everyone to register to bid or donate an auction item. It's going to be a very exciting auction!" added Mark Robson, Sir Bobby's son and part of the Sir Bobby's Breakthrough committee.

Proudly backed by headline supporter BT Sport, Sir Bobby's Breakthrough auction items for 2013 also include a Tottenham Hotspur experience including lunch with manager, Andre Villas-Boas, a VIP trip to next year's F1 in Monaco by private 'Eclipse' jet, exclusive tickets to the 2014 PFA Awards Dinner (the football event of the year), a week sailing on a luxury catamaran 'Akasha', all inclusive for ten people, around the British Virgin Isles, a one-on-one personal bowling tuition with England professional cricketer Graeme Swann at Lords and Paul Gascoigne's Italia '90 England training match shirt.

Considered one of the sporting world's biggest auctions, the Sir Bobby's Breakthrough auction, running from 10 - 27 October, will raise crucial funds for the Sir Bobby Robson Foundation, Breakthrough Breast Cancer and cancer services within two Suffolk Hospitals.

Register now at www.sirbobbysbreakthrough.com to be in with a chance to bid on some of the sporting world's best memorabilia and once-in-a-lifetime experiences.