Sidney Crosby's summer vacation is almost over. Still, there's no telling when the Pittsburgh Penguins star will return to work. General manager Ray Shero said Monday the former MVP is still dealing with concussion-like symptoms and it's too soon to know if Crosby will be available when the Penguins open camp next month. Read more: http://espn.go.com/nhl/story/_/id/6...penguins-had-post-concussion-symptoms-gm-says