Penguins coach Mike Sullivan thought Alex Galchenyuk was working hard, even during a 14-game goal drought to start his tenure in Pittsburgh. It finally paid off Monday night. Galchenyuk scored his first goal with the Penguins and Jake Guentzel beat David Rittich on a rush 4:04 into overtime to lift Pittsburgh over the Calgary Flames 3-2 Monday night. read more https://www.espn.com/nhl/recap/_/gameId/401145409