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Gabon's forward Pierre-Emerick Aubameyang reacts as he walks off the pitch during the 2017 Africa Cup of Nations group A football match between Gabon and Guinea-Bissau at the Stade de l'Amitie Sino-Gabonaise in Libreville on January 14, 2017. / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP via Getty Images)

Gabon's forward Pierre-Emerick Aubameyang reacts as he walks off the pitch during the 2017 Africa Cup of Nations group A football match between Gabon and Guinea-Bissau at the Stade de l'Amitie Sino-Gabonaise in Libreville on January 14, 2017. / AFP / GABRIEL BOUYS        (Photo credit should read GABRIEL BOUYS/AFP via Getty Images)

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Gabon's forward Pierre-Emerick Aubameyang reacts as he walks off the pitch during the 2017 Africa Cup of Nations group A football match between Gabon and Guinea-Bissau at the Stade de l'Amitie Sino-Gabonaise in Libreville on January 14, 2017. / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP via Getty Images)

Gabon's forward Pierre-Emerick Aubameyang reacts as he walks off the pitch during the 2017 Africa Cup of Nations group A football match between Gabon and Guinea-Bissau at the Stade de l'Amitie Sino-Gabonaise in Libreville on January 14, 2017. / AFP / GABRIEL BOUYS        (Photo credit should read GABRIEL BOUYS/AFP via Getty Images)

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Gabon's squad (back L-R) defender Aaron Appindangoye, midfielder Mario Lemina, defender Bruno Ecuele Manga, goalkeeper Didier Ovono, forward Denis Bouanga, forward Pierre-Emerick Aubameyang, (L-R) midfielder Didier Ibrahim Ndong, defender Lloyd Palun, defender Johann Obiang, midfielder Merlin Tandjigora and forward Malick Evouna pose for a group picture ahead of the 2017 Africa Cup of Nations group A football match between Gabon and Guinea-Bissau at the Stade de l'Amitie Sino-Gabonaise in Libreville on January 14, 2017. / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP via Getty Images)

Gabon's squad (back L-R) defender Aaron Appindangoye, midfielder Mario Lemina, defender Bruno Ecuele Manga, goalkeeper Didier Ovono, forward Denis Bouanga, forward Pierre-Emerick Aubameyang, (L-R) midfielder Didier Ibrahim Ndong, defender Lloyd Palun, defender Johann Obiang, midfielder Merlin Tandjigora and forward Malick Evouna pose for a group picture ahead of the 2017 Africa Cup of Nations group A football match between Gabon and Guinea-Bissau at the Stade de l'Amitie Sino-Gabonaise in Libreville on January 14, 2017. / AFP / GABRIEL BOUYS        (Photo credit should read GABRIEL BOUYS/AFP via Getty Images)

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LIBREVILLE, GABON - JANUARY 14: Supporters of Gabon celebrate after Pierre-Emerick Aubameyang scored a goal during the Africa Cup of Nations 2017 match between Gabon and Guinea-Bissau at the De l'Amitie Stadium in Libreville, Gabon on January 14, 2017. (Photo by Olivier Ebanga/Anadolu Agency/Getty Images)

LIBREVILLE, GABON - JANUARY 14: Supporters of Gabon celebrate after Pierre-Emerick Aubameyang scored a goal during the Africa Cup of Nations 2017 match between Gabon and Guinea-Bissau at the De l'Amitie Stadium in Libreville, Gabon on January 14, 2017.  (Photo by Olivier Ebanga/Anadolu Agency/Getty Images)

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Pierre Emerick Aubameyang and goalkeeper Ebang Didier Ovono of Gabon celebrate victory in the 2012 African Cup of Nations Group C match between Gabon and Morocco at the Stade de l'Amitie in Libreville, Gabon. Photo: Ben Radford/Visionhaus (Photo by Ben Radford/Corbis via Getty Images)

Pierre Emerick Aubameyang and goalkeeper Ebang Didier Ovono of Gabon celebrate victory in the 2012 African Cup of Nations Group C match between Gabon and Morocco at the Stade de l'Amitie in Libreville, Gabon. Photo: Ben Radford/Visionhaus (Photo by Ben Radford/Corbis via Getty Images)