A viral video showing Nathan MacKinnon grinding through an intense underwater workout during the NHL Stanley Cup Playoffs sparked league-wide attention this week. After learning about it, Colorado ...

Chlorine-stung eyes and playoff pressure don't mix. While flippers in a hotel pool spark social confusion, MacKinnon’s intense recovery routine proves elite performance requires zero off days.

Can odd training techniques take a player to the next level? The answer is a resounding…maybe. And they can also do more harm ...