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Era Adjustments in NHL

The use of era adjustments to compare player statistics across different decades in the NHL, considering factors such as league expansion, rule changes, and scoring environments.

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Jan 15, 2026

How have era adjustments and league expansions affected comparisons between pre- and post-1967 NHL players?

Era adjustments were devised to neutralize changing scoring environments—season length, roster sizes and league-wide goals per game—so counting stats from different decades can be placed on a common f...