The numbers aren’t sparkling. Across parts of three NHL seasons, Sam Ersson has an .888 save percentage (SV%), 2.98 goals against average (GAA), and a minus-23 goals saved above expected (GSAx, according to MoneyPuck) through his career with the Flyers. Sure, the team has been bad through most of that span, but those are worrying numbers any way you slice it, and the 2024-25 season was Ersson’s worst: in 47 games, he finished with an .883 SV% and 3.14 GAA, and the worst GSAx in the league with minus-19.9.
It’s good to remember, though, that Sam Ersson is just 25 years old. A player’s mid-20s are often considered their prime, and Ersson’s age falls in that range, but the 2024-25 season has shown just how much later goaltenders develop than skaters–especially as the game’s gotten more intense and 60-plus game starters have gotten fewer and further between. Last season, a surprising number of goaltenders had breakout years at exactly the same age. They’re not starting netminders, exactly, but they did establish themselves as very good tandem goalies. Before we get into those 1As, we need to clarify what makes a starting goaltender.
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