Krug (undisclosed) will play in Monday night's road game against the Maple Leafs.
Krug (undisclosed) was paired with Brandon Carlo during Monday's morning skate.
Krug (undisclosed) did not return to Saturday's game after leaving in the second period after a hard hit by Toronto's Jake Muzzin.
Krug left Saturday's game against Toronto in the second period after a hard check from Jake Muzzin left him wobbly and dazed.
Krug tallied an assist on Thursday, as the Bruins lost 4-1 in Game 1 to the Maple Leafs.
Krug (concussion) is in line to play Wednesday night against the Rangers.
Krug (concussion) won't play in Monday's game versus the Lightning.
Krug (concussion) didn't participate in contact drills during Sunday's practice, Matt Porter of The Boston Globe reports.
Krug (concussion) won't play in Saturday's game versus the Panthers.
Krug (concussion) will skate on his own Thursday morning.