After skating for Boston from 2011 to 2016, though, the former Senators pivot moved back to the club that drafted him, coming full circle on his career.
Pittsburgh will be trying to become the first repeat title winners since the Detroit claimed back-to-back Stanley Cups in 1997-98, while Ottawa fell short of making the National Hockey League finale for the first time since 2007.
Craig Anderson remained on one knee for as long as possible, staring up at the video board in disbelief to make sure what just happened was real.
The Senators forced a return trip to Pittsburgh - where they lost 7-0 loss in Game 5 on Sunday - by leaning heavily on Anderson in a 2-1 Game 6 victory, putting both teams at odds with history.
And Karlsson outduelled both Evgeni Malkin and Crosby, with the primary assist on both game-tying goals for Ottawa, but it was the Penguins who advanced to their fourth Stanley Cup Final of the Crosby era.
Schultz and Matt Cullen dug a puck off the wall in the defensive zone, springing Conor Sheary and Kunitz for a two-on-one up the right wing.
White, 20, made his National Hockey League playoff debut in Game 6, but he only took seven shifts and logged 2:39 of ice time.
Ottawa coach Guy Boucher told his resilient team to not get caught up in the big picture but instead focus on the small ones, a recipe that carried the Senators throughout a bumpy transition under their first-year head coach to the brink of the franchise's second Cup appearance. If needed, the series would then alternate between Pittsburgh and Nashville for the final three games of the best-of-seven series on June 8, 11 and 14.
A chance to play for their sport's ultimate prize on the line, the sheets of open ice the Penguins found so easily in Games 4-6 closed up.
The game was almost halfway through regulation before the Penguins scored the first goal off a two-on-one against Ottawa defenseman Erik Karlsson.
Once again, the Penguins could not hold the lead.
Hornqvist, meanwhile, has been out since the series opener due to an upper-body injury. Dzingel was there to slap in the rebound, sending Game 7 swirling into the extra sessions.
It was Kunitz's second goal of the game.