I'm taking this with a grain of salt, Malkin was "ready" as well now he's out 1-2 weeks, Concussions are tricky as heck, he could be 100% fine he could be out months.
Thats the same concern I have. I would like to see him kept out a total of 10 days at the very least to make sure there is no delayed onset like often happens with concussions.