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MOENCHENGLADBACH, GERMANY - FEBRUARY 09: Martin Stranzl of Moenchengladbach celebrates scoring the first goal during the Bundesliga match between VfL Borussia Moenchengladbach and Bayer 04 Leverkusen at Borussia Park Stadium on February 9, 2013 in Moenchengladbach, Germany. (Photo by Friedemann Vogel/Bongarts/Getty Images)

MOENCHENGLADBACH, GERMANY - FEBRUARY 09:  Martin Stranzl of  Moenchengladbach celebrates scoring the first goal during the Bundesliga match between VfL Borussia Moenchengladbach and Bayer 04 Leverkusen at Borussia Park Stadium on February 9, 2013 in Moenchengladbach, Germany.  (Photo by Friedemann Vogel/Bongarts/Getty Images)

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MOENCHENGLADBACH, GERMANY - SEPTEMBER 11: Martin Stranzl of Moenchengladbach lifts his arms during the Bundesliga match between Borussia Moenchengladbach and Hamburger SV at Borussia-Park on September 11, 2015 in Moenchengladbach, Germany. (Photo by Juergen Schwarz/Bongarts/Getty Images)

MOENCHENGLADBACH, GERMANY - SEPTEMBER 11: Martin Stranzl of Moenchengladbach lifts his arms  during the Bundesliga match between Borussia Moenchengladbach and Hamburger SV at Borussia-Park on September 11, 2015 in Moenchengladbach, Germany.  (Photo by Juergen Schwarz/Bongarts/Getty Images)

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MOENCHENGLADBACH, GERMANY - FEBRUARY 09: Martin Stranzl of Moenchengladbach celebrates scoring the first goal during the Bundesliga match between VfL Borussia Moenchengladbach and Bayer 04 Leverkusen at Borussia Park Stadium on February 9, 2013 in Moenchengladbach, Germany. (Photo by Friedemann Vogel/Bongarts/Getty Images)

MOENCHENGLADBACH, GERMANY - FEBRUARY 09:  Martin Stranzl of  Moenchengladbach celebrates scoring the first goal during the Bundesliga match between VfL Borussia Moenchengladbach and Bayer 04 Leverkusen at Borussia Park Stadium on February 9, 2013 in Moenchengladbach, Germany.  (Photo by Friedemann Vogel/Bongarts/Getty Images)

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FRANKFURT AM MAIN, GERMANY - MARCH 26: Joselu (L) of Frankfurt is challenged by Martin Stranzl of Moenchengladbach during the Bundesliga match between Eintracht Frankfurt and Borussia Moenchengladbach at Commerzbank Arena on March 26, 2014 in Frankfurt am Main, Germany. (Photo by Alex Grimm/Bongarts/Getty Images)

FRANKFURT AM MAIN, GERMANY - MARCH 26: Joselu (L) of Frankfurt is challenged by Martin Stranzl of Moenchengladbach during the Bundesliga match between Eintracht Frankfurt and Borussia Moenchengladbach at Commerzbank Arena on March 26, 2014 in Frankfurt am Main, Germany.  (Photo by Alex Grimm/Bongarts/Getty Images)

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BELEK, TURKEY - JANUARY 08: Martin Stranzl leaves the pitch after a Borussia Moenchengladbach training session on day 3 of the Bundesliga Belek training camps at Maxx Royal Belek Golf Resort on January 8, 2016 in Belek, Turkey. (Photo by Alex Grimm/Bongarts/Getty Images)

BELEK, TURKEY - JANUARY 08:  Martin Stranzl leaves the pitch after a Borussia Moenchengladbach training session on day 3 of the Bundesliga Belek training camps at Maxx Royal Belek Golf Resort on January 8, 2016 in Belek, Turkey.  (Photo by Alex Grimm/Bongarts/Getty Images)