David Bates. The former Hamburg and Rangers centre-back has struggled for form since arriving at Pittordrie. His signing coincides with Stephen Glass' winless streak that continued against Celtic.
Ange Postecoglou's side earned their first win on the road, and Foster felt that the opener could have been prevented by Bates.
The former Aberdeen defender reckons that Kyogo Furuhashi's opener should have been stopped by the Scotland cap as took his shot on goal.
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