Perron extended the lead to 6-4 at 18:03 of the third period with an empty-net goal, and Justin Faulk scored an empty-net goal at 18:27 for the 7-4 final.
"This is a hard building to play in," Berube said. "The fans are energetic. [The Predators] play hard. We knew it was going to be a close one, no matter how it started. Obviously, you don't want to lose a 3-0 lead, but we found a way to battle back and get the two points."
NOTES:Bluesforward Vladimir Tarasenko had two assists and has 493 points (237 goals, 256 assists), tied with Pavol Demitra for sixth in their history. Bernie Federko leads with 1,073. … Krug scored his 400th NHL point (76 goals, 324 assists) with an assist on Perron's first goal. He has scored 32 points (eight goals, 24 assists) this season, and 64 points (10 goals, 54 assists) in two seasons with St. Louis after playing nine seasons for the Boston Bruins. … Duchene became the eighth player in Predators history to score at least 30 goals in a season (10 times); Viktor Arvidsson (34 goals) was the last to do it in 2018-19. … Nashville defenseman Roman Josi had an assist to extend his point streak to five games (nine points; one goal, eight assists).