Lehmann, the man between the sticks the last time we won a Premier League title, believes that Cech may still be adapting following his controversial move this summer.
Cech is essentially seen as the German’s replacement such has been our desperation for a top class goalkeeper over the past decade and Lehmann has backed the 33-year-old to succeed.
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“It surprised me because I expected him to be really good from the beginning,” Lehmann told Goal.
“But sometimes it takes a while to adapt to a new club, particularly when you are coming from a major enemy like Chelsea. It takes time if he can forget about it at all.
“He is the goalkeeper Arsenal need to win the title.”
As we head to Crystal Palace this weekend, a ground which can prove to be intimidating, we’ll certainly need Cech to stand up and be counted.
Our fixture there last season was a tight affair and given that it’s another London derby, we should expect to be facing a committed Palace side.
With the added class of Yohan Cabaye, the focus among our team will decide the encounter.