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FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Bobby Wood of Hamburg jumps for a header with Nicolas Hoefler of Freiburg during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)

FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Bobby Wood of Hamburg jumps for a header with Nicolas Hoefler of Freiburg during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany.  (Photo by Matthias Hangst/Bongarts/Getty Images)

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FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Maximilian Philipp of Freiburg jumps for a header with Emir Spahic of Hamburg during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)

FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Maximilian Philipp of Freiburg jumps for a header with Emir Spahic of Hamburg during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany.  (Photo by Matthias Hangst/Bongarts/Getty Images)

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FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Nicolai Mueller of Hamburg and Amir Abrashi of Freiburg compete for the ball during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)

FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Nicolai Mueller of Hamburg and Amir Abrashi of Freiburg compete for the ball during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany.  (Photo by Matthias Hangst/Bongarts/Getty Images)

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FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Gotoku Sakai of Hamburg and Maximilian Philipp of Freiburg compete for the ball during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)

FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Gotoku Sakai of Hamburg and Maximilian Philipp of Freiburg compete for the ball during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany.  (Photo by Matthias Hangst/Bongarts/Getty Images)

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FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20: Johan Djourou of Hamburg and Florian Niederlechner of Freiburg compete for the ball during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)

FREIBURG IM BREISGAU, GERMANY - SEPTEMBER 20:  Johan Djourou of Hamburg and Florian Niederlechner of Freiburg compete for the ball during the Bundesliga match between SC Freiburg and Hamburger SV at Schwarzwald-Stadion on September 20, 2016 in Freiburg im Breisgau, Germany.  (Photo by Matthias Hangst/Bongarts/Getty Images)