But he declined the option of going under the surgeon's knife as he feared he would be ruled out until next season as a result.
He said: "The last thing I wanted was an operation because that would have meant a rehabilitation period of six to nine months.
"We got the option of a groundbreaking injection that has only been used on about 40 players so far, and we felt it had to be tried as it has a 100 per cent success rate."