SYDNEY, AUSTRALIA - JULY 11: David Ospina, Petr Cech and Emiliano Martinez of Arsenal during the Arsenal Training Session at Koragah Oval on July 11, 2017 in Sydney, Australia. (Photo by David Price/Arsenal FC via Getty Images)
SYDNEY, AUSTRALIA - JULY 11: David Ospina, Petr Cech and Emiliano Martinez of Arsenal during the Arsenal Training Session at Koragah Oval on July 11, 2017 in Sydney, Australia. (Photo by David Price/Arsenal FC via Getty Images)