SINGAPORE – JULY 26: Matteo Guendouzi of Arsenal during the International Champions Cup 2018 match between Club Atletico de Madrid and Arsenal at the National Stadium on July 26, 2018 in Singapore. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Matteo Guendouzi

DUBLIN, IRELAND – AUGUST 01: Matteo Guendouzi of Arsenal tackles Callum Hudson-Odoi of Chelsea during the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Matteo Guendouzi; Callum Hudson-Odoi

DUBLIN, IRELAND – AUGUST 01: Shkodran Mustafi of Arsenal shouts advise during the penalty shoot out after the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Shkodran Mustafi

DUBLIN, IRELAND – AUGUST 01: Matteo Guendouzi celebrates Arsenal’s penalty shoot out win after the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Matteo Guendouzi

DUBLIN, IRELAND – AUGUST 01: Arsenal goalkeeper Petr Cech saves a peanlty in the shoot out during the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Petr Cech

DUBLIN, IRELAND – AUGUST 01: Sokratis of Arsenal during the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Sokratis

DUBLIN, IRELAND – AUGUST 01: Mesut Ozi of Arsenal during the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Mesut Ozil;Oezil

DUBLIN, IRELAND – AUGUST 01: Pierre-Emerick Aubameyang of Arsenal during the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Pierre-Emerick Aubameyang

DUBLIN, IRELAND – AUGUST 01: Emile Smith Rowe of Arsenal during the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Emile Smith Rowe

DUBLIN, IRELAND – AUGUST 01: (L-R) Henrikh Mkhitaryan and Matteo Guendouzi of Arsenal after the Pre-season friendly between Arsenal and Chelsea on August 1, 2018 in Dublin, Ireland. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Henrikh Mkhitaryan;Matteo Guendouzi