Glass, 24, who was selected by the Vegas Golden Knights in the first round (No. 6) of the 2017 NHL Draft, had an NHL career-high 35 points (14 goals, 21 assists) in 72 games for Nashville last season. Novak, 26, had only played 27 NHL games before last season. But after getting promoted from the AHL last December, he had 43 points (17 goals, 26 assists) in 51 games for the Predators. Parssinen, 22, arrived ahead of schedule in the NHL last November and had 25 points (six goals, 19 assists) in 45 games despite missing about six weeks with an upper-body injury.