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Eric Hartline-USA TODAY Sports

Media and many fans focus on the impact players and All-Stars, but winning the Stanley Cup involves all 23 men on the roster and many minor league players during the year.

Every team has an underrated All-Star, and that player is a major part of their overall success. Usually playing a secondary role and robbed of power-play time, this player delivers production during the difficult parts of the game and never achieves big numbers because of it.

Here's a team-by-team look at the valuable but underrated players in the NHL for 2015-16.

Note: All analytics and advanced stats numbers come via behindthenet.ca and HockeyAnalysis.com unless otherwise stated.