Stars forward Mats Zuccarello has three goals in four playoff games. And coach Jim Montgomery believes there's more on the way."I think there's another level in him," Montgomery said.Zuccarello scored a power play goal in the first period of the Stars' 5-1 win over Nashville in Game 4 on Wednesday, giving him three of the team's 11 goals in the first-round series that is now tied at two games.In six total games with the Stars, Zuccarello has four goals and two assists after his trade to Dallas from the Rangers before the trade deadline.