What we do know is that Burks surgery went well and he is fully recovered from it and the leg is totally healed and he has been practicing and looking good practicing.
We also know that the jazz are saying that they are not playing him for fear of another injury happening to him.
What we don't know is what injury they are worried about him sustaining now. What part of his body is weaker and what part of his body they are worried about and waiting on. We don't know what is holding him back specifically. We really know nothing other than his surgery went well, there were no setbacks, he looks good in practice and warmups, he is healed, and his estimated return is way past the time we were told he would return (all star break)