He said: “I’ve been forcing the injury in the last few weeks, playing with injections.
“I’ve reached a point where I had to decide if I should continue but run the risk of having to stop for two or three months, or if I should stop now and see if the injury gets better.
“I’m sad not to be there. I don’t like having to make a decision like this, but in the long term it means that I should be ready for the national team’s games in November.”