SOUTHAMPTON, ENGLAND – DECEMBER 26: The Arsenal changing room before the Barclays Premier League match between Southampton and Arsenal at St Mary’s Stadium on December 26, 2015 in Southampton. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Arsenal changing room

LONDON, ENGLAND – JANUARY 09: Jeff Reine-Adelaide of Arsenal is closed down by Jordan Pickford of Sunderland during the match between Arsenal and Sunderland in the FA Cup 3rd Round at Emirates Stadium on January 9, 2016 in London, England. (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Jeff Reine-Adelaide; Jordan Pickford

LONDON, ENGLAND – JANUARY 09: Alex Iwobi of Arsenal tackled by DeAndre Yedlin of Sunderland during the Emirates FA Cup Third Round match between Arsenal and Sunderland at Emirates Stadium on January 9, 2016 in London, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Alex Iwobi;DeAndre Yedlin

STOKE ON TRENT, ENGLAND – JANUARY 17: Alex Iwobi of Arsenal during the Barclays Premier League match between Stoke City and Arsenal at The Britainnia Stadium in Stoke on 17th January 2016 (Photo by David Price/Arsenal FC via Getty Images) *** Local Caption *** Alex Iwobi

SOUTHAMPTON, ENGLAND – DECEMBER 26: Alex Iwobi of Arsenal takes on Cuco Martina of Southampton during the Barclays Premier League match between Southampton and Arsenal at St Mary’s Stadium on December 26, 2015 in Southampton. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Alex Iwobi;Cuco Martina

MUNICH, GERMANY – NOVEMBER 04: Alex Iwobi of Arsenal breaks past Thiago of Bayern Munich during the UEFA Champions League Group Stage match between Bayern Muenchen and Arsenal at the Allianz Arena on November 4, 2015 in Munich, Germany. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images *** Local Caption *** Alex Iwobi;Thiago

LONDON, ENGLAND – JANUARY 09: Calum Chambers of Arsenal breaks past Steven Fletcher of Sunderland during the Emirates FA Cup Third Round match between Arsenal and Sunderland at Emirates Stadium on January 9, 2016 in London, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images) *** Local Caption *** Calum Chambers;Steven Fletcher