Arsenal Must Beat Olympiacos - Wenger
Arsene Wenger has warned Arsenal are already facing a must-win game in only their second Champions League group tie against Olympiacos.
The Gunners host the Greek leaders, who have won all of their five domestic fixtures, needing to recover from a disappointing opening Group F defeat away to Dinamo Zagreb, where strike Olivier Giroud was sent off.
With a double-header next against Bayern Munich, Wenger concedes Wednesdayâ€™s contest at the Emirates Stadium now leaves no margin for further error.
He said: â€œYou have to win your home games if you want to qualify from the group stage, it is simple as that.
â€œWe cannot afford to drop points now against anyone at home.â€
Wenger added: â€œOlympiacos dominates their league, they are a team with a big advantage â€“ they dominate their league easily, so they can prepare for these kinds of games.
â€œThey are well organised and have some players who know the Premier League, like (Esteban) Cambiasso and (Pajtim) Kasami who both played in England.â€
It has been a poor start for English sides in Europeâ€™s elite club competition this season, with defeats for both Manchester clubs as well as Arsenal.
Wenger, though, does not believe any definitives can yet be drawn.
He said: â€œThe Premier League is very, very tough. Is that an influence or not? I donâ€™t know, but itâ€™s a bit early to come to any conclusions. We have to wait a little bit longer.
â€œA second year without us being successful and you could come to a conclusion of, â€˜yes, there is something we have to analyse deeplyâ€™, but I donâ€™t believe so at the moment.
â€œAre we far away? I donâ€™t think so, but we have to show that with our performance.â€
Arsenal host Premier League leaders Manchester United on Sunday, but that will not impact on Wengerâ€™s team selection, although goalkeeper David Ospina could again be preferred to Petr Cech.
Wenger said: â€œWe play on Tuesday night and then Manchester United on Sunday, five days is no problem. It is more about what happens before.
â€œSome players had two tough games at Tottenham and at Leicester where they were a high level physically. I will have to analyse that and make my decisions.â€
Defensive midfielder Francis Coquelin has returned to training following a knee problem which kept him out of Saturdayâ€™s 5-2 win at Leicester.
Forward Alexis Sanchez netted a hat-trick to help sink the previously unbeaten Foxes.
Midfielder Alex Oxlade-Chamberlain believes everyone can learn from the tenacious approach of the Chile forward.
He said: â€œAlexis is one of the most passionate and hungry individuals I know. As a player, he brings out the best of you in training every day and also in the matches.
â€œIt is his everyday mannerisms around the training ground, how he trains, his performances, how he scores goals, how he plays and how he defends from up front, these are all things that we can all learn.â€
Wenger wants England international Oxlade-Chamberlain to have more self belief.
It is an area of his game the 22-year-old has heard needs improvement before. He added: â€œIt is what my dad says as well so there might be a little bit of a trend here.
â€œI am quite critical of myself and I try to demand quite high standards of myself, so sometimes maybe that can work in a negative fashion and is something that I need to work on.â€
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