Grzelcyk (lower body) will return to the lineup for Saturday's game against LA.
Fitzgerald (arm) will suit up for AHL Providence on Friday against AHL Toronto, Mark Divver of The Providence Journal reports.
Grzelcyk (lower body) will sit out Thursday's contest with Anaheim.
Halak will tend the twine in Friday's road tilt against Anaheim.
Rask will start Saturday's road clash with the Kings.
The Bruins placed Pastrnak (thumb) on injured reserve Wednesday, per the NHL media site.
Chara tallied an assist during a 6-3 win over the Blackhawks on Tuesday.
Cehlarik scored a goal on the man advantage during a 6-3 victory over the Blackhawks on Tuesday.
Kuhlman was recalled from AHL Providence on Wednesday.
Bergeron dished out two assists -- one on the power play -- in Tuesday's win over the Blackhawks.
DeBrusk scored a goal and tacked on two assists in Tuesday's win over the Blackhawks.
Heinen scored a goal and added two helpers in Tuesday's win over the Blackhawks.
Marchand lit the lamp and dished out three assists in Tuesday's win over the Blackhawks.
Krejci lit the lamp twice and added an assist in Tuesday's win over the Blackhawks.
Rask steered away 23 of 26 shots in Tuesday's win over the Blackhawks.
Rask will tend the twine for Tuesday's home tilt versus Chicago.
Grzelcyk (lower body) isn't in the projected lineup for Tuesday's game against Chicago, NHL.com's Matt Kalman reports.
Fitzgerald (undisclosed) sported a non-contact jersey at practice Tuesday, Mark Divver of The Providence Journal reports.
Pastrnak, who underwent a procedure on his left thumb, will be re-evaluated in two weeks.
Pastrnak sustained a left thumb injury on his way to a sponsorship dinner Sunday, with the star winger out at least two weeks.
Pastrnak saw his ice time increase, but saw his seven-game point streak end in a 2-1 overtime win over the Avalanche on Sunday.
Marchand had the overtime game-winner and an assist in Sunday's 2-1 win over the Avalanche.
Moore scored his third goal of the season on three shots in a 2-1 overtime win against the Avalanche on Sunday.
Halak stopped 35 of 36 shots in a 2-1 overtime win over the Avalanche on Sunday.
The Bruins sent Kampfer to AHL Providence for conditioning.