The second half started with a sense that Peru was looking to press a little higher as it searched for a second and in the 49th minute, Paolo Guerrero picked up the ball inside the box and made it 2-0.
"Thank you to the press from all of Peru's staff, players, and technical team", Gareca said.
"If we score goals and we win the game, it doesn't matter how we score".
This will be the first ever encounter between the two sides and Bert van Marwijk's side will have to go on the attack against the South American side.
Of course it's still only football, but if those fabled glory days of Cahill and Mark Viduka are to be relived-dare say it, even bettered-finding their heirs should be a top priority.
The 2018 World Cup did not go at all to plan for Peru.
Australia pushed to reduce the deficit as Tim Cahill almost scored from inside the box with an audacious volley, but the attempt went wide and Peru escaped.
Australia were already two goals down, and heading for the exit, by the time Cahill was introduced.
There's something pure about football that only certain people, regardless of age or country of origin, can interpret.
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Argentina are under pressure after two poor performances and staring at their first group stage exit since the dark days of 2002. According to former Argentina national soccer teammate Pablo Zabaleta, the World Cup forward is "stressed and unhappy ".
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Rodriguez bagged two assists on Sunday night but his pass to find Cuadrado for the third goal was truly a piece of artistry. Yerry Mina nodded in James Rodriguez's cross shortly before half-time to put the South Americans ahead.
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Guzman-Feliz's death sent shockwaves through the community, and on social media, as the hashtag #JusticeforJunior began trending. The Inquistr reports that no one there did anything to protect the boy, nor did they immediately put in a call to the police.
Australia coach Van Marwijk admits the struggle to score goals - they registered only two Mile Jedinak penalties in Russian Federation - was their downfall.
Arzani didn't get to show his best in a 30-minute outing on Tuesday and was time and again frustrated by the Peru defence, but this team defending a two-goal cushion could keep out some of the best in the world. "They play very dangerously and you have to be very organized".
Peru can feel more aggrieved than any eliminated team thus far at this World Cup to be leaving so soon, knowing full well that a couple more moments of cool earlier in the competition would have sent them through.
It was Peru's first World Cup finals goal for 36 years and their large travelling support celebrated wildly.
Australia is only the second team in World Cup history to score three consecutive goals from the penalty spot.
Hired only for the World Cup and with his successor Graham Arnold already anointed, Van Marwijk was tasked with a rush-job for Russian Federation, given a handful of games to mould a modestly-resourced team into a competitive unit.
Australia faces Peru in Sochi, Russia, on Tuesday needing a win and a Denmark loss to France in their group finale in order to reach the round of 16 for the first time since 2006. Get the app and get the game.
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