Marchand scored a goal on eight shots and added two PIM in Thursday's 4-3 overtime win over the Flames.
Marchand scored an empty-net goal and added an assist in Saturday's 3-0 win over Philadelphia.
Marchand scored a power-play goal on three shots in Thursday's 8-2 loss to the Hurricanes.
Marchand (illness) will return to the lineup Saturday in Washington, NESN reports.
Marchand remains under the weather and will not suit up versus Los Angeles on Thursday, Conor Ryan of The Boston Globe reports.
Marchand is expected to play in Tuesday's exhibition contest against the Flyers after recovering from offseason surgeries to his elbow, groin and abdominal area.
Marchand was a full participant in Wednesday's practice as he continues to work his way back from elbow, groin and abdominal surgery, per Steve Conroy of the Boston Herald.
Marchand is practicing Tuesday in a non-contact sweater, according to Fluto Shinzawa of The Athletic.
Marchand, who is recovering from surgery on his elbow, groin and abdominal area, won't be available to work with the Bruins on Thursday, but he should be fine for Boston's season opener, per Steve Conroy of the Boston Herald on Wednesday.
Marchand underwent surgery on his elbow, groin and abdominal area during the offseason, according to Amalie Benjamin of NHL.com.