VALENCIA, SPAIN – MAY 09: Ainsley Maitland-Niles celebrates Arsenal’s win with fitness coach Julen Masach after the UEFA Europa League Semi Final Second Leg match between Valencia and Arsenal at Estadio Mestalla on May 09, 2019 in Valencia, Spain. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

VALENCIA, SPAIN – MAY 09: Arsenal fans during the UEFA Europa League Semi Final Second Leg match between Valencia and Arsenal at Estadio Mestalla on May 9, 2019 in Valencia, Spain. (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Arsenal fans

VALENCIA, SPAIN – MAY 09: Lucas Torreira and Matteo Guendouzi of Arsenal celebrate after the UEFA Europa League Semi Final Second Leg match between Valencia and Arsenal at Estadio Mestalla on May 9, 2019 in Valencia, Spain. (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Lucas Torreira; Matteo Guendouzi

LONDON, ENGLAND – FEBRUARY 24: of Arsenal during the Premier League match between Arsenal FC and Southampton FC at Emirates Stadium on February 24, 2019 in London, United Kingdom. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND – FEBRUARY 24: Henrikh Mkhitaryan celebrates scoring the 2nd Arsenal goal during the Premier League match between Arsenal FC and Southampton FC at Emirates Stadium on February 24, 2019 in London, United Kingdom. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND – FEBRUARY 27: of Arsenal during the Premier League match between Arsenal FC and AFC Bournemouth at Emirates Stadium on February 27, 2019 in London, United Kingdom. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND – FEBRUARY 27: Laurent Koscielny celebrates scoring the 3rd Arsenal goal with Nacho Monreal during the Premier League match between Arsenal FC and AFC Bournemouth at Emirates Stadium on February 27, 2019 in London, United Kingdom. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND – FEBRUARY 27: (L-R) Nacho Monreal, Sokratis, Sead Kolasinac and Laurent Koscielny of Arsenal before the Premier League match between Arsenal FC and AFC Bournemouth at Emirates Stadium on February 27, 2019 in London, United Kingdom. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND – FEBRUARY 24: of Arsenal during the Premier League match between Arsenal FC and Southampton FC at Emirates Stadium on February 24, 2019 in London, United Kingdom. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND – FEBRUARY 27: Alexandre Lacazette scores Arsenal’s 5th goal during the Premier League match between Arsenal FC and AFC Bournemouth at Emirates Stadium on February 27, 2019 in London, United Kingdom. (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Alexandre Lacazette