Grey's Anatomy season 9 revealed that Derek's hand injury has become a major obstacle for him to continue doing his first love -- surgery. In a scoop from TV Guide, we learned how this major turn in Derek's career will open a window of privilege for the new baby interns of Seattle Grace!
Now that he's unable to operate, Derek will turn to teaching the interns. "Derek has to try and find his peace with that," Kevin McKidd tells us. "He doesn't get to cut anymore, but he gets to be this amazing teacher. Owen helps him learn how to be a teacher again."
Source: TV Guide