Pittsburgh Penguins captain Sidney Crosby has visited multiple specialists recently as he attempts to shake lingering post-concussion symptoms, the team's website said Wednesday. CTV News reported Monday that Crosby suspended his training after suffering a recurrence of concussion-like symptoms and wouldn't be ready when the Penguins open camp Sept. 16. Read more: http://espn.go.com/nhl/story/_/id/6...gh-penguins-had-headaches-visited-specialists