The patron confirmed earlier today that a 25m offer had been sent to Eastlands, but there are reports that was turned down.
"Tevez is an interesting player. We haven't received any response from Manchester City yet," Moratti told Sky Sport Italia.
"Now we have to see if it's worth the bother of signing him, especially as other clubs are tracking the player. It wouldn't be bad to win the 'derby' on the transfer market, though."