NHL Offseason Calendar: The Dates That Will Set the Market

The Stanley Cup is over, which means the league flips straight into deadline mode with the draft, free agency, and arbitration all stacking up fast. Every front office knows this is where the real roster building starts, because one bad read in June can haunt a team by October. The smart money is already circling the key dates, and the phone lines are about to get loud in a hurry.