The Lions are aiming to beat the world champions in their own backyard this evening and secure a series win in South Africa.
A humbling defeat at the hands of the Springboks means today's clash is do or die.
Warren Gatland saw his Lions side secure a memorable win a fortnight ago, but the hosts responded emphatically last week after Rassie Erasmus had raised the stakes with a video criticising the officials.
The Lions have rung the changes ahead of tonight's game in Cape Town.
Welsh pair Liam Williams and Josh Adams are among those to come in.
We'll keep you up to date throughout the contest.
The maverick is back
He divides opinion due to his bold style.
I've no problem saying I absolutely love him. He can certainly lose you a game, but he can also win it for you.
There's no one like Finn.
The Munster and Irish legend has made his feelings known on the third test.
"South Africa are building," he explained.
"They will inevitably be better whereas all of a sudden the Lions is almost a split personality – what are we?
"Do we now change our philosophy, change our style and try and exploit the space that is inevitably there?
"Or do we double down on this type of play that we've seen? I think that is what Gatland has done in his selection.
"Finn Russell aside, it indicates to me that he thinks he can get over the line playing that way and I don't think it's the smartest way to get a result, but perhaps it is in the last Test.
"When you try to play the way they [South Africa] play and you don't get results, it ends up pretty ugly."
Williams at 15
So what’s changed
Williams and Adams have come in for Hogg and Watson to form a new look back three.
Price has replaced Murray at scrum-half.
Jones and Owens will come into the front row, replacing Vunipola and Cowan-Dickie.
Gatland has certainly reverted to type, backing the Welsh players he knows so well.
South Africa XV
Le Roux; Kolbe, Am, De Allende, Mapimpi; Pollard, Reinach; Kitshoff, Mbonambi, Malherbe, Etzebeth, De Jager, Kolisi (c), Mostert, Wiese.
Replacements: Marx, Nyakane, Koch, Van Staden, Smith, Jantjies, Steyn, Willemse.
Williams; Adams, Henshaw, Aki, Van der Merwe; Biggar, Price; Jones, Owens, Furlong, Itoje, A Wyn Jones (c), Lawes, Curry, Conan.
Replacements: Cowan-Dickie, Vunipola, Sinckler, Beard, Simmonds, Murray, Russell, Daly.
Today is the day.
12 years ago the Lions were close, but not close enough, to toppling South Africa.
Now they have an opportunity to repeat their 1997 feat by securing a memorable win over the world champions in their own country.
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