Sunderland boss Di Canio delighted with early Ondrej Celustka impact
The fullback is on-loan from Trabzonspor.
Di Canio said: "Every one of the new players has done a good job, but he's one of the most positive, because we couldn't expect this level straight away.
"He only had four days training with us before the start of the season.
"But he's intelligent. You could see straight away that he's curious. He was asking Craig Gardner what to do if the ball was here or there. Before, during and after the training sessions he was asking questions.
"He learns quick because he wants to learn and he has the hunger to play in England."
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