The Barcelona youngster suffered a serious meniscus injury back in November scoring five goals in 10 games across all competitions.
He has failed to return to training in April as he went for a revision arthroscopy in his left knee.
At the moment, Fati is recovering from the surgery but admitted that things are going well for him and is looking forward to pre-season with Barcelona.
The 18-year old missed most of the 2020/21 campaign due to injury.
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“I’m doing very well, improving little by little. I’m going to continue working to get to the preseason and be able to help the team,” Fati said.
“I want to thank the Federation and the coach for the invitation, I was very excited to be here and to be able to see my teammates. I wish you much luck for everything that comes and hopefully we can win the European Championship.”