Which Breakout Stars Could Hit the Regression Wall in 2026-27?

Last season's surprise performers are facing a harsh reality - the NHL has a way of humbling players who overachieve, and several breakout stars from 2025-26 could be in for a significant step backward. Teams have tape on these guys now, opponents have adjusted their game plans, and the margin for error shrinks dramatically in year two of unexpected success. Some of these players will prove their breakout was legitimate, while others will discover that lightning in a bottle doesn't strike twice.