Borussia Dortmund captain Emre Can said his side failed to "push past the pain barrier" in Tuesday's 1-1 home draw with Lille in their Champions League last-16 first leg."We didn't push past the pain barrier -- and that's what you need to do against Lille.
Liverpool have been linked with Borussia Dortmund star Jamie Gittens and the Reds have already received a seal of approval from Emre Can.
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