"Going forward we have done very well but defensively we have been average, " said Wenger.
Wenger had words of sympathy for opposite number Rafael Benitez, who is under increasing pressure.
Wenger said the ability to deal with setbacks was part and parcel of a footballer's life.
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But Wenger has slammed their attempt to sign the 26-year-old Belarus winger as 'totally unacceptable.
Wenger almost kept him with the Arsenal first team twice, last season and this one.
"We have to respond quickly and not make mistakes like we made today, " admitted Wenger.
"I don't want him to go to a Premier League club, " added Gunners boss Wenger.
But Wenger believes turning to a naturalised replacement such as Almunia is a viable option.
Earlier this season Arsenal manager Arsene Wenger accused Stoke of deliberately injuring some of his side.
But Wenger was also unhappy with the treatment received by Spanish winger Jose Antonio Reyes.
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"We pick up more injuries than the other big teams, that is true, " added Wenger.
This was also the period of greatest hostility in relations between Wenger and Ferguson.
In fairness to Wenger this time around, he only ever said "could" as opposed to "would".
Arsenal manager Arsene Wenger has said a few things about Bolton over the years.
This is what is of more interest than the unseemly squabble between Ferguson and Wenger.
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Wenger is annoyed that Henry, 29, has played so many games for France this season.
"Wenger is saying that a match in August can explain an injury in March, " said Domenech.
Dr. Nanette Wenger, chief cardiologist at Atlanta's Grady hospital, paints a cheery picture for us.
Wenger selected Fabregas despite the Spaniard's on-going fitness troubles and admitted it had been a gamble.
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Wenger is already delivering 18 more points a season than his player valuation suggests he should.
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"They are well paid already but we will respect our wages structure, " said Wenger.
"People talk about breathalysing players but I know when somebody has been drinking, " added Wenger.
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"I heard about Dortmund but I have had no contact with anybody, " said Wenger.
Wenger called Fletcher's red card "harsh" and said referee Roberto Rosetti "had a very bad game".
League Managers Association chief Richard Bevan has been told by Hackett that Wenger will receive an apology.
Fourth official Lee Probert advised Dean after Wenger kicked a water bottle following a disallowed Arsenal goal.
"I think Tony has spent more time with him than his wife, " joked Arsenal manager Arsene Wenger.
However, Wenger feels the the Croatia international will shrug off the thigh problem to return next week.
Arsenal have won 11 trophies under Wenger, with Manchester United runners up on five of those occasions.
Wenger said in April he was to reconsider the role that Gallas has occupied since August 2007.
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