Arsenal legend Martin Keown believes Per Mertesacker's omission from Arsenal's starting line-up for Sunday's win over Everton 'could be a defining moment in changing the club's back four'. January signing Gabriel Paulista was preferred to the German in defence, with Gunners boss Arsene Wenger telling BT Sport that the change was made in order to give Mertesacker a rest. Sportsmail's Keown, speaking as a pundit on BT Sport, reacted to the news of Mertesacker's absence for the crucial game at the Emirates saying: 'I don't you can point the finger at one player after the Monaco game. It's a big chance for Gabriel now, though.Arsenal beat Everton 2-0 in the Premier League on Sunday afternoonPer Mertesacker was a headline omission from Arsenal's starting line-upThe 30-year-old struggled during Wednesday's 3-1 defeat at the hands of Monaco in the Champions LeagueGunners boss Arsene Wenger said the German has been restedSportsmail's Martin Keown believes it could be a defining moment in changing Arsenal's back four
Arsene Wenger has come under a barrage of criticism after Arsenal's shock defeat to _ on Wednesday.