"They are two very good players," Marotta told Sky Sport Italia. "Robben is playing with great authority and with great ability in a club that is certainly the best in Europe at this time.
"Meanwhile, Sanchez is at Barcelona and he cost them an extremely large fee and I think he'll remain there.
"I'm glad that there are these links, but I really do not have anything else to say about them apart from the fact that I admire these two talents."
Juventus are currently 11 points clear at the top of the Serie A table.