Borussia Dortmund was gifted an easy goal at the beginning of the match and held off a late response from the Mamelodi Sundowns on a fiercely warm day to win 4-3 in the Club World Cup group stage.

The equation is simple for South African champions Mamelodi Sundowns, who battled Borussia Dortmund to a 4-3 defeat on Saturday, ahead of Wednesday's FIFA Club World Cup clash with Fluminense: win or go home.

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