FILE - In this March 12, 2013 file photo, Pittsburgh Penguins center Sidney Crosby skates in the second period of an NHL hockey game against the Boston Bruins in Pittsburgh. A year afte

 

              FILE - In this March 12, 2013 file photo, Pittsburgh Penguins center Sidney Crosby skates in the second period of an NHL hockey game against the Boston Bruins in Pittsburgh. A year afte
FILE - In this March 12, 2013 file photo, Pittsburgh Penguins center Sidney Crosby skates in the second period of an NHL hockey game against the Boston Bruins in Pittsburgh. A year after his return from concussion-like symptoms, Crosby is his old self. And due to the fallout from the devastating hit he took more than two years ago, the NHL may be better off for it. (AP Photo/Gene J. Puskar, File)