Hirshfeld joins NHL Tonight

Michael Hirshfeld talks about the NHL Coaches’ Association signing onto the NHL Declaration of Principles

Bruce Cassidy takes time to teach Bruin youngsters

Bruce Cassidy takes time to teach Bruin youngsters

The Bruins’ bevy of young players have had 65-plus minutes of 2020-21 regular-season film to review, stress over, and digest. More evidence of their development — and their shortcomings — hits their inboxes at some point Saturday evening.