Zucker gave Pittsburgh a 1-0 lead at 14:15 of the second period, tapping in a pass from Brian Dumoulin at the left post. Dumoulin dragged the puck around Nashville defenseman Kevin Gravel, on his stomach for a block attempt, before finding Zucker.
"Great pass," Sullivan said. "I thought it was a great play by 'Dumo.'" Real good poise, great vision. It was just a heck of a play. … That's what he's capable of and, obviously, that was a great play by him."
Zucker has scored in back-to-back games following a seven-game drought.
"They're a heck of a team," Zucker said. "They play a tough system and they battled tonight. So, it definitely felt like an amped up game, for sure."
The Predators were outshot 15-5 in the second but could have gone ahead on a partial breakaway from Kiefer Sherwood at 10:37. After gloving a puck out of the air in the neutral zone, Sherwood drove to the slot ahead of Penguins defenseman Pierre-Olivier Joseph for a wrist shot that Jarry turned away.
"I think they stepped it up in the second," Nashville defenseman Tyson Barrie said. "Wasn't our best period. Give them credit, they played well. But we just couldn't find one tonight. We had a couple breakaways."