DARMSTADT, GERMANY - JANUARY 21: Jannik Vestergaard of Gladbach jumps for a header with Jan Rosenthal of Darmstadt during the Bundesliga match between SV Darmstadt 98 and Borussia Moenchengladbach at Stadion am Boellenfalltor on January 21, 2017 in Darmstadt, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)
DARMSTADT, GERMANY - JANUARY 21: Jannik Vestergaard of Gladbach jumps for a header with Jan Rosenthal of Darmstadt during the Bundesliga match between SV Darmstadt 98 and Borussia Moenchengladbach at Stadion am Boellenfalltor on January 21, 2017 in Darmstadt, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)
DARMSTADT, GERMANY - JANUARY 21: Jan Rosenthal of Darmstadt and Thorgan Hazard of Gladbach compete for the ball during the Bundesliga match between SV Darmstadt 98 and Borussia Moenchengladbach at Stadion am Boellenfalltor on January 21, 2017 in Darmstadt, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)
DARMSTADT, GERMANY - JANUARY 21: Sandro Sirigu of Darmstadt jumps for a header with Thorgan Hazard of Gladbach during the Bundesliga match between SV Darmstadt 98 and Borussia Moenchengladbach at Stadion am Boellenfalltor on January 21, 2017 in Darmstadt, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)
DARMSTADT, GERMANY - JANUARY 21: (L-R) Christoph Kramer of Gladbach, Jan Rosenthal of Darmstadt and Thorgan Hazard of Gladbach jump for the ball during the Bundesliga match between SV Darmstadt 98 and Borussia Moenchengladbach at Stadion am Boellenfalltor on January 21, 2017 in Darmstadt, Germany. (Photo by Matthias Hangst/Bongarts/Getty Images)
