From his vantage point on the touchline , the assistant referee determined that Dezko was offside and raised his flag .
Dzeko appeared to be onside by at least a step when Zvjezdan Misimovic released a through ball that slipped between two Nigeria defenders .
From Dzeko 's vantage point on the touchline , the assistant referee determined that Dezko was offside and raised his flag .
Dzeko appeared to be onside by at least a step when Zvjezdan Misimovic released a through ball that slipped between two Nigeria defenders .