A potentially big problem is developing in the centre of Germany's defence after Jerome Boateng's red card in Saturday's 2-1 win over Sweden meant he would miss the South Korea match, with regular partner Mats Hummels already sidelined. The Koreans have zero.
If Germany were to ultimately be eliminated from the competition after this match, they would be the third successive reigning champion to not get out of the group stage.
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Here's all you need to know about when the match is on, where it'll take place, how to watch, key players to what and what the current match odds are.
For the latest news, download our app at http://bit.ly/GetALoopJM for Android; and at http://bit.ly/GetiLoopJM for IoS. "We won't cast any blame but we have spoken to those who say it was a penalty on Berg, and that is maybe what we needed against a team like Germany", said Andersson, who was unhappy that the Video Assistant Referee did not intervene.
"Son is up there with the best in the world, we have to keep an eye on him".
"Against South Korea we will all know what is at stake and what our common goal is. We have let it go but will come out of it as a group much stronger".
"I am a footballer at the highest level, being criticized is something we live with".
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Stoke midfielder Shaqiri was asked about his celebration after the game, and put it down to pure emotion in the moment . I'm very happy to score this goal.
If Mexico defeats Sweden and Germany defeat South Korea, then it will set up a tantalising last 16.
With the win, Germany earned a crucial three points towards surviving into the knockout round of the tournament. "There were a lot of emotions from them and from us, also". In the next tiebreaker, Germany and Sweden would have two goals in games between the three teams, while Mexico would only have one.
"We are fearless enough not only to dream, but to work on those dreams so that we can make them true", Hernandez said.
But, if Sweden beats Mexico on Wednesday and Germany beats South Korea, three teams would be tied atop Group F with six points. If Loew wants power instead of speed in attack, he could hand Mario Gomez his first start of this World Cup.
Apart from that, they've toiled hard without really looking threatening, and it's that sort of form that sees them on the brink of a World Cup exit.