The grinder. One of the NHL's most important roles. They can play anywhere on the team and they usually don't see the score sheet that much. Sometimes they can go unnoticed to a fan, but their teammates are grateful for the presence.
As I said earlier, grinders usually don't score all that much, but there are a few that can light the lamp like the league's elite. While they could be classified as power forwards, grinders add additional parts to their game.
Here are, in no particular order, the NHL's 50 greatest grinders in history.