The two teams are in the middle of a Champions League tie.
Gianluca Di Domenico told Gazzetta.it: "In January we thought he could change clubs because there was no space. Now he's playing again as a starter in Dortmund.
"Juve on him? There was contact, they were watching when (Kwadwo) Asamoah was injured and I'd see him do well in black and white.