Best was missed the season so far through injury and told Newcastle's official club website: "I've had an injection at the back of my ankle and I was out running on Tuesday for a little bit.
"The injury wasn't on my mind at all and now I'm aiming to train sometime next week.
"I was devastated because I'd started pre-season well and scored a couple of goals, but you just have to get on with it.
"These things happen in life and you've got to keep on going. I'm still here and still breathing, so I've just got to put it behind me and get fit again.
"I still need to prove myself and I've not done it yet. Hopefully, given the chance, I will do."
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