BAD RAGAZ, SWITZERLAND - AUGUST 04: Borussia Dortmund's Marco Reus takes part in a lactate test together with the World Cup winners Kevin Gro§kreutz and Erik Durm on August 4, 2014 in Bad Ragaz, Switzerland. (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)
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Borussia Dortmund Alexandre Simoes