The fans' favourite was forced off after 86 minutes of our Europa League quarter-final first leg against Sevilla and it was confirmed on Friday evening that he has fractured a metatarsal bone in his foot.
Licha is expected to make a full recovery in time for the start of next season, which is positive, but the severity of his injury remains a deeply disappointing setback.
However, the World Cup winner is typically determined to bounce back.
Martinez has used his official Instagram account to share an emotional message with fans and also to thank everyone who has sent him messages of support so far.