01/07/2013 07:48 BST

British And Irish Lions Lose Sam Warburton For Final Test

British and Irish Lions captain Sam Warburton (C) is helped off the field injured against the Australian Wallabies in the second rugby Test match, in Melbourne on June 29, 2013. AFP PHOTO/William WEST IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE (Photo credit should read WILLIAM WEST/AFP/Getty Images)

British and Irish Lions captain Sam Warburton has been ruled out of Saturday's Test series decider against Australia in Sydney.

The Wales flanker suffered what the Lions have described as "a significant tear" in his left hamstring during the second Test defeat in Melbourne two days ago.

Warburton will remain with the squad, and it now looks as though Ireland centre Brian O'Driscoll will take over as skipper.

Warburton said: "It is incredibly disappointing to be ruled out of the tour through injury as we head to Sydney for the deciding match.

"I wish the team all the best and hope I can play some part in the build-up this week.

"I am confident that the boys can finish the job off and secure the series win."

Roberts goes jet skiing

The Lions hope Jamie Roberts and Alex Corbisiero will return to full training on Wednesday, putting them in contention for next weekend's decider against Australia in Sydney.

Roberts, the Wales centre, has yet to play in the Test series because of a hamstring problem, while England prop Corbisiero suffered a calf injury in the opener at Suncorp Stadium.

"There are a few boys training tomorrow and they will go hard. The rest of the squad have a couple of days off and we'll train on Wednesday and Thursday," assistant coach Andy Farrell said.

"People like Alex Corbisiero and Jamie Roberts will go hard tomorrow and hopefully be right for full training on Wednesday."