The Colorado Avalanche and Boston Bruins have swapped centers at the NHL trade deadline. After picking up Brock Nelson from the New York Islanders, Colorado is taking another swing. The Bruins are sending Charlie Coyle to the Avalanche for center Casey Mittelstadt,

Brock Nelson’s 12-year run with the New York Islanders has come to an end — the veteran center has been traded to the Colorado Avalanche along with William Dufour for prospect and center Calum Ritchie,

BOSTON, MA -- Brock Nelson is not on the trade market – at least not yet. With the Islanders outside the playoff picture, speculation about the pending free agent is growing, with multiple teams reportedly showing interest in the veteran.