Due to the events in Boston, and the rescheduling of Boston's game against Pittsburgh, the NHL has moved Saturday night's game between the Sabres and Penguins in Pittsburgh to Tuesday night.
Below is the release sent by the Sabres and the NHL:
NEW YORK/TORONTO (April 19, 2013) -- The game between the Pittsburgh Penguins and Boston Bruins scheduled for tonight at TD Garden has been postponed, the National Hockey League announced today.
The game has been tentatively rescheduled for tomorrow, Saturday, April 20, at TD Garden beginning at 12:30 p.m., Eastern time. The game's status will be formalized no later than 8:30 a.m.
The game between the Penguins and Buffalo Sabres, scheduled for Saturday night in Pittsburgh, has been moved to Tuesday, April 23 at 7:30 p.m., ET.