About four months.
That's as long as Barcelona announce that Ansu Fati will be gone.
During his already short career, Fati has broken several heavy records.
Already last autumn, with his 16 years and 321 days, he became the youngest player to play in a match in the Champions League.
On October 24, he became the youngest goal scorer in 73 years an El Clásico when he eight minutes into the meeting with Real Madrid equalized to 1-1 (Real Madrid unfortunately won in the end with 3-1).
He is also Barcelona's youngest goal scorer ever.
Successful operation
In September before that, he also became the youngest goal scorer ever for the Spanish national team.
This when he had to start in a meeting with Ukraine where he needed half an hour to find the net.
Whether Fati will now be the youngest player in Barcelona's history to undergo knee surgery, we leave that unsaid.
But the club states that Fati has had surgery and that it went well.
Rehabilitation is now waiting for "about four months" for the super talent.