FILE PHOTO - (EDITORS NOTE: COMPOSITE OF TWO IMAGES - Image numbers (L) 1530530 and 511891146) In this composite image a comparison has been made between Arsene Wenger,Manager of Arsenal (L) in 1996 and in 2016. Arsene Wenger celebrates 20 years in charge of Arsenal this season. ***LEFT IMAGE*** 2 Nov 1996: Arsene Wenger the manager of Arsenal during the FA Carling Premier league match between Wimbledon and Arsenal at Selhurst Park in London. The match ended in a 2-2 draw. Mandatory Credit: Stu Forster/Allsport ***RIGHT IMAGE***LONDON, ENGLAND - FEBRUARY 23: Arsene Wenger the manager of Arsenal looks on during the UEFA Champions League round of 16, first leg match between Arsenal FC and FC Barcelona at the Emirates Stadium on February 23, 2016 in London, United Kingdom. (Photo by Shaun Botterill/Getty Images)

FILE PHOTO - (EDITORS NOTE: COMPOSITE OF TWO IMAGES - Image numbers (L) 1530530 and 511891146) In this composite image a comparison has been made between Arsene Wenger,Manager of Arsenal (L) in 1996 and in 2016.  Arsene Wenger celebrates 20 years in charge of Arsenal this season. ***LEFT IMAGE*** 2 Nov 1996: Arsene Wenger the manager of Arsenal during the FA Carling Premier league match between Wimbledon and Arsenal at Selhurst Park in London. The match ended in a 2-2 draw. Mandatory Credit: Stu Forster/Allsport ***RIGHT IMAGE***LONDON, ENGLAND - FEBRUARY 23: Arsene Wenger the manager of Arsenal looks on during the UEFA Champions League round of 16, first leg match between Arsenal FC and FC Barcelona at the Emirates Stadium on February 23, 2016 in London, United Kingdom. (Photo by Shaun Botterill/Getty Images)