When the Vegas Golden Knights shocked the world by kinda, sorta fluking their way to winning the Pacific Division and going all the way to the Stanley Cup Final in 2018, the thing people took for granted is that, with that specific lineup, they might be able to make it last forever.

Instead, what they did was go out and dramatically improve their roster, adding Paul Stastny and Max Pacioretty, among others.

In effect, they took steps to ensure unrepeatable overperformance from their inaugural season became much more repeatable. They still took a big step back the next season, dropping 16 points in the standings and losing in the first round, but the idea was the right one. You don't rest on your laurels and just assume that whatever worked to get your No. 1 goalie a .930ish save percentage a