The British and Irish Lions will look to end their long wait for a series win when they take on Australia in the third and deciding Test in Sydney Saturday.
The Wallabies fought back in the second Test in Melbourne last week to force a decider and the Lions will be primed for another battle.
Much of the talk in the build up to this Test has been about Warren Gatland's decision to drop Brian O'Driscoll for the crucial match, but forwards coach Graham Rowntree is confident the selected side can go and top Australia.
"This is the biggest game of our lives," Rowntree said. "As players and coaches a lot of us have been involved in grand final games and huge internationals but nothing bigger than this. The word I'd use is desperate ... we're all fed up with the 16-year stat. This is the biggest game of my career, no question.
"We have picked what we believe is the best team to beat Australia. It's not about their nationalities because they are all Lions. Overall, there's stuff we have still kept up our sleeve, things we haven't shown so far."
A player coming back into the starting lineup will be England's Alex Corbisiero and the prop cannot wait to be a part of possible history.
"This is the game of a lifetime -- opportunities like this don't come around very often and may never come around again," he said. "To be in a Lions side with so many quality players, and so much on the line, and four years before you get an opportunity to have another chance, is incredible.
"I am very proud and grateful to be involved and very keen to put my mark on it. It is a massive honour and I feel very privileged.
"I was hoping I would get right and I am very grateful to the physios for getting me right. Phil Pask has been working with me every day, morning and evening and, after a lot of rehab, I've got it right.
"I am very happy to be ready and proud to be playing in this game. I am very excited at what's coming."
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Lineups: Australia: Beale, Folau, Ashley-Cooper, Lealiifano, Tomane, O'Connor, Genia, Palu, Smith, Mowen, Horwill (capt), Douglas, Alexander, Moore, Robinson.
Replacements: Faingaa, Slipper, Kepu, Simmons, McCalman, Hooper, Phipps, Mogg.
Lions: Halfpenny, Bowe, Davies, Roberts, North, Sexton, Philips, Faletau, O'Brien, Lydiate, Parling, Wyn Jones (capt), Adam Jones, Hibbard, Corbisiero.
Replacements: Youngs, Vunipola, Cole, Gray, Tipuric, Murray, Farrell, Tuilagi.
