He suffered the same injury in the PSG - Barça of the 2012/13 season
Javier Mascherano is like a big brother for Leo Messi. Since he arrived at the club from Liverpool, the midfielder has always been alongside Messi. They have a great relationship and they trust each other after years of friendship. Mascherano knows how to treat the crack.
According to Mundo Deportivo, Mascherano gave wise advice to him just after getting injured against Las Palmas: "Patience and no hurry to return."
The center-back suffered the same injury in 2013. It was in the Champions League match against PSG in Paris, where Leo Messi also got injured. In that game, Mascherano struck against Jordi Alba on a jump and broke his knee ligament. He was 6 weeks out.
Now Mascherano has told Messi to go slowly and not to worry about his comeback. The most important think is to recover 100%, for the sake of Barcelona, Argentina and the player himself.