Know Your NHL CBA: 'Retained Salary' Trades, Shuffling Cap Room, and Ryan Miller - Lighthouse Hockey
The NHL Trade and Return Salary Cap Retention Rule Tested
Reports: Bruins pursuing trades to create salary cap space
NHL trade tracker: Bruins sign David Pastrnak, acquire Tyler Bertuzzi
Bruins trade Taylor Hall to Blackhawks for salary cap relief - CBS Boston
Why the Stars waived Anton Khudobin, and what comes next for Dallas
NHL trade deadline: The top 10 teams that could make deals happen - The Athletic
How the Bruins cap situation looks after Jeremy Swayman's contract
Will the Bruins buy out any contracts to shed cap space?