The Arsenal forward says that his side will not underestimate Portugal but is convinced that their "confidence, conviction and power" will ensure victory on MondayGermany attacker Lukas Podolski has warned his side to be on their mettle against Portugal and Cristiano Ronaldo on Monday.
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Podolski is wary of Ronaldo's potential to turn the match on its head with a moment of brilliance but is confident in Germany's chances of starting their campaign with a win.
"But if we play well then I think there's no doubt that we're capable of winning the game. Our aim is to start off with a victory. That's why we flew all the way out here.
"We've developed as a team and that's exactly what we want to show at this World Cup. We'll go into the match with confidence, conviction and power and we will win it."