Giaccherini, currently on duty with Italy, said it was countryman Di Canio who lured him to Wearside.
"Di Canio is like Conte, the Juve manager, and I feel good with him," explained Giaccherini.
"I'm happy with the choice I made, even if I had to give up a top club like Juve. To leave Juventus was a tough decision, but I decided to choose Sunderland to have more opportunity to play regularly.
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