Olympiacos manager Pedro Martins claims his side exploited Arsenal's weakness from set pieces in their shock Europa League triumph.
The Gunners saw their European campaign brought to an abrupt end as they were beaten 2-1 by the Greek giants at the Emirates on February 27.
The result saw them dumped out of the Europa League on away goals after twice exposing Mikel Arteta's side from set pieces. Martins has now claimed they watched regular footage of Arsenal defending dead balls and discovered a way to plan against their weaknesses - although he was keen not to discuss the full details of their plan.
Speaking to The Athletic , Martins said: “We watched many games. We almost saw the weakness. Most importantly, we saw what is standard in how
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