By Wilton Jackson The Pittsburgh star was ruled out of Game 6 after reportedly suffering a concussion during Game 5. View the original article to see embedded media. The Penguins received a major boost on Saturday when centerman Sidney Crosby practiced with the team after missing Game 6 due to a concussion, according to The Athletic. Crosby was skating around in practice wearing a regular jersey, which is a good sign for Pittsburgh as the Penguins head into a pivotal Game 7 against the Rangers on Sunday. However, Penguins coach Mike Sullivan told reporters that Crosby, goalie Tristan Jarry and…