The pair were embroiled in a training ground bust-up before Lehmann moved elsewhere.
Arsene Wenger: "My regret at Arsenal is to have gone from human size to inhuman."
Wenger insists the system is "working much better than people think".
The move would allow a 10-minute concussion assessment.
Arsene Wenger has offered to "work with" "fantastically committed" Ljungberg.
Freddie Ljungberg intends to tap into the knowledge of Arsene Wenger and Sven-Goran Eriksson.
Jurgen Klopp, Mauricio Pochettino and Arsene Wenger, but mainly Jose Mourinho.
The Former Arsenal manager has been appointed as FIFA's new chief of global football development.
Alan Smith insists Wenger should have signed ex-Man Utd centre-back Jonny Evans.
Arsene Wenger has claimed that he has talked to Bayern and will talk to them again.
Arsene Wenger claims Eden Hazard arrived at Real "too heavy" as he attempted to explain the forward's poor form.
Jurgen Klopp's men are currently six points ahead of the defending champions in the Premier League.
Arsene Wenger maintains he is not in discussions with Bayern Munich about their managerial vacancy.
Wenger admits the vacant managerial role at Bayern Munich interests him, as top candidates drop out.
Nicklas Bendtner has revealed that he once called Arsene Wenger an 'a**hole' and 'w***er' in an angry telephone call.
Chelsea have some decisions to make since they have £150m to blow in January, if they can spend at all...
Reports have suggested Unai Emery is losing the Arsenal dressing room. There's usually no going back...
The Mailbox delivers advice for Arsenal. Also: Eriksen, Son, VAR, and why teams try harder against Liverpool...
A report has revealed the other seven managerial candidates that Arsenal considered replacing Arsene Wenger with.
Ageism is one of the last bigotries that can be indulged in today without fear of opprobrium. Football is complicit.
Wenger won the Premier League title three times - triumphing in 1998, 2002 and 2004 - while in north London.
Arsene Wenger says Serge Gnabry left Arsenal because Bayern "manipulated behind the scenes".
Arsene Wenger has fired a dig at former club Arsenal while defending Tottenham boss Mauricio Pochettino.
Paul Pogba has two main problems he is dealing with at Manchester United, according to Arsene Wenger.
Arsene Wenger is considering a job offer from FIFA, but it wouldn't stop him returning to management.
Arsene Wenger sees the "potential", but doubts whether Man United are "mature enough" to realise it.
Anyone else shocked that Wenger tried to sign "one of the best players of his generation" at Arsenal?
Per Mertesacker also reflected on what would've happened had Arsenal fans got their way...
Arsene Wenger believes Liverpool forward Mo Salah is far from the perfect footballer and must improve in one particular area.
Arsene Wenger has not ruled out the possibility of taking charge of a national team at the 2022 World Cup.
Update your browser to view this website correctly.Update my browser now