"We both wanted Vidal," the German legend told Calcissimo.com. "Then the player's agent created a bit of a mess.
"We tried to sign him when the player said that he didn't intend to renew his contract with Bayer Leverkusen.
"I know how much Juve paid for him and we had offered even more, but Leverkusen then decided to sell him to a foreign club in order to not strengthen a direct rival.
"It wasn't a problem for Juventus."