Stretching mate, key to stop injuries.
I was quite injury prone in the past but had a recurring injury that was always there for a good few years, basically pain in my lower shins but more the whole ankle area. Sometimes it would play up, other times it would be OK. Went to physio and quickly learnt how important stretching was, I've introduced some stretching to my daily life and the pain has gone. I don't even have to stretch that regularly either, the more exercise, the more stretching. Of course be careful not to overstretch!
I remember reading once that Drogba use to stretch for four hours a day or something crazy like that to avoid injuries as he was sick of getting them early on in his career. Of course, he would have had a specific plan made for him by the specialists at the club.