The $37m black hole rugby, Wallabies can't hide from

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This Lions tour was said to be the first step of Rugby Australia turning a $36.8 million deficit into a profit. That may still be the case, with tens of thousands of touring fans pouring through the turnstiles for all three Tests.

But where will a series whitewash leave the game as a whole in Australia?

FOLLOW THE BUILD-UP AND THIRD TEST IN OUR BLOG BELOW

Aussies love a winner, but the Wallabies haven't been doing much of that recently.

The U8s running around suburban grounds in Sydney and Brisbane don't care about RA's bank balance. They want to see their heroes winning games and lifting trophies.

That's the only way to ensure the next generation grows up throwing a Gilbert around rather than a Steeden or a Sherrin.

JOSEPH-AUKUSO SUAALII'S BEST POSITION

Suaalii has played well enough on attack - his break to set up Tom Wright's try in Melbourne last weekend was a perfect example. But he has repeatedly been caught out defensively.

At times, so has his midfield partner Len Ikitau, who has been moved to inside centre rather than his preferred spot at outside to accommodate Suaalii.

Despite growing calls for Suaalii to be switched to the wing so the Wallabies can select a proven centre pairing of Hunter Paisami and Len Ikitau, head coach Joe Schmidt is sticking with his same midfield combo for game three but he can expect some criticism if it doesn't work out.

THE BENCH

Harry Potter's injury was a hiccup - and the Lions have much more depth that Australia - but Andy Farrell's supporters will argue that he also out-coached Joe Schmidt at the Melbourne Cricket Ground last weekend.

Owen Farrell came on in the final quarter and provided an instant impact, off the ball as much as on it.

Meanwhile, Ben Donaldson - who has several years more experience at Test level than Tom Lynagh - was left stranded on the bench as Australia desperately tried to hang on but couldn't, raising questions about Schmidt's tactics.

Strangely, Schmidt picked a 6-2 forwards-backs split for Melbourne in the belief that it would rain, but when there wasn't a drop in the sky, it gave the Lions the advantage because they went with a traditional 5-3 split.

But this week, with heavy showers forecast for Accor Stadium, the Lions have added an extra forward as a precaution for the weather while the Wallabies have returned to the 5-3 split they abandoned last week.

THE WHISTLEBLOWERS

Georgian referee Nika Amashukeli and his assistants will be under intense scrutiny this week after the controversial ending to the second Test when the match officials opted against penalising the Lions' backrower Jac Morgan for his clean-out on Carlo Tizzano.

Schmidt launched a blistering attack over the ruling, saying it went against the game's pledge to player safety, which drew a sharp rebuke from World Rugby, which is trying to protect referees from the vile abuse they sometimes cop on social media.

Regardless, with matches regularly stopped while Television Match Officials pore over replays of contentious incidents, the whistleblowers will be under more pressure than usual this weekend.

TACKLE, TACKLE, TACKLE

All the complaining in the world won't change the result from the first two matches but there is one area that might make a difference if they fix things up.

When the Wallabies were the best team in the world, the cornerstone of their success was their outstanding defence. When they last won the World Cup, in 1999, they famously conceded just one try in six matches in the entire tournament.

But in the two Tests against the Lions so far, they have given up eight tries, three in Brisbane then five in Melbourne, while also repeatedly falling off tackles.

In Brisbane, the Wallabies missed 29 tackles in an eight point loss then missed 23 tackles in their three point loss in Melbourne. If they can plug those holes, they won't need to worry about blaming officials because they might just win.