At the time, Rakitic was in talks over a new deal at Camp Nou.
Mirabelli told calciomercato.com: "I will reveal something that I have never told anyone before.
"We got to his place and from the garage a lift took us up to his house. He was excited, he told me that if he didn't renew with Barcelona, he would seriously have considered our offer.
"That chat marked me. I met a champion who had nothing other than football in his head. His daily life is built around his sporting career, from the food he eats, to his rest, to his free time between training. In the end, he renewed with Barça, but I had the pleasure of meeting a great sportsman."