D-Chez at Puck Daddy has a great piece on Malkin's rehab.
Also, a report came out Friday or something with former Canadiens coach Mario Tremblay saying Crosby had two concussions in Juniors, as well. And there are rumors he was given this information by Crosby's agent.
Here's the original article in French.
Here's the English translation we dug up.
If any French-speaking citizens wish to give a translation that doesn't include the word "motorboat," leave it in the comments :)