Krug, 29, has spent his entire National Hockey League career with the Boston Bruins.
He has played in 523 NHL games while recording 337 points (67 goals, 270 assists).
Last season with the Bruins, he scored nine goals and added 40 assists for 49 points in 61 games.
Prior to the pause, he was set to exceed the 50 point mark for the fourth straight season. He has played in 75 career playoff games while recording 52 points.