The batsman, who has struggled with the problem intermittently since returning home early from the tour of New Zealand in February, is currently fighting fit, but is still mindful of the rigours of a winter tour.
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Pietersen said: “I had the knee issue and I have to make sure the rehab continues. I don’t want to break down, I want to play the whole series.”
The second day of England’s warm-up against Australia A in Hobart was wiped out by rain.