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Hakan Calhanoglu of Bayer 04 Leverkusenduring the Champions League group E match between Bayer Leverkusen and Tottenham Hotspur on October 18, 2016 at the Bay Arena in Leverkusen, Germany(Photo by VI Images via Getty Images)

Hakan Calhanoglu of Bayer 04 Leverkusenduring the Champions League group E match between Bayer Leverkusen and Tottenham Hotspur on October 18, 2016 at the Bay Arena in Leverkusen, Germany(Photo by VI Images via Getty Images)

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(L-R) Jordi Alba Ramos of FC Barcelona, Hakan Calhanoglu of Bayer 04 Leverkusen, Munir el Haddadi of FC Barcelona during the UEFA Champions League match between Bayer 04 Leverkusen and FC Barcelona on December 9, 2015 at the BayArena in Leverkusen, Germany.(Photo by VI Images via Getty Images)

(L-R) Jordi Alba Ramos of FC Barcelona, Hakan Calhanoglu of Bayer 04 Leverkusen, Munir el Haddadi of FC Barcelona during the UEFA Champions League match between Bayer 04 Leverkusen and FC Barcelona on December 9, 2015 at the BayArena in Leverkusen, Germany.(Photo by VI Images via Getty Images)

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(L-R) Admir Mehmedi of Bayer 04 Leverkusen, Jordi Alba Ramos of FC Barcelona, Hakan Calhanoglu of Bayer 04 Leverkusen, Marc Bartra Aregall of FC Barcelona during the UEFA Champions League match between Bayer 04 Leverkusen and FC Barcelona on December 9, 2015 at the BayArena in Leverkusen, Germany.(Photo by VI Images via Getty Images)

(L-R) Admir Mehmedi of Bayer 04 Leverkusen, Jordi Alba Ramos of FC Barcelona, Hakan Calhanoglu of Bayer 04 Leverkusen, Marc Bartra Aregall of FC Barcelona during the UEFA Champions League match between Bayer 04 Leverkusen and FC Barcelona on December 9, 2015 at the BayArena in Leverkusen, Germany.(Photo by VI Images via Getty Images)

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Leverkusen's midfielder Hakan Calhanoglu celebrates scoring during the UEFA Champions League first-leg, round of 16 football match Bayer 04 Leverkusen vs Club Atletico de Madrid in Leverkusen, western Germany on February 25, 2015. AFP PHOTO / PATRIK STOLLARZ (Photo credit should read PATRIK STOLLARZ/AFP/Getty Images)

Leverkusen's midfielder Hakan Calhanoglu celebrates scoring during the UEFA Champions League first-leg, round of 16 football match Bayer 04 Leverkusen vs Club Atletico de Madrid in Leverkusen, western Germany on February 25, 2015.    AFP PHOTO /  PATRIK STOLLARZ        (Photo credit should read PATRIK STOLLARZ/AFP/Getty Images)

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(L-R) Hakan Calhanoglu of Bayer 04 Leverkusen, Ogenyi Onazi of SS Lazio Roma, Dusan Basta of SS Lazio Roma, Senad Lulic of SS Lazio Roma, Stefan de Vrij of SS Lazio Roma, Marco Parolo of SS Lazio Roma during the UEFA Champions League play-offs match between Bayer Leverkusen and Lazio Roma on August 26, 2015 at the BayArena in Leverkusen, Germany.(Photo by VI Images via Getty Images)

(L-R) Hakan Calhanoglu of Bayer 04 Leverkusen, Ogenyi Onazi of SS Lazio Roma, Dusan Basta of SS Lazio Roma, Senad Lulic of SS Lazio Roma, Stefan de Vrij of SS Lazio Roma, Marco Parolo of SS Lazio Roma during the UEFA Champions League play-offs match between Bayer Leverkusen and Lazio Roma on August 26, 2015 at the BayArena in Leverkusen, Germany.(Photo by VI Images via Getty Images)