Benn was able to log four goals and 11 assists during 77 games in 2017-18, and blocked 153 shots.
Shaw will undergo knee surgery, the team announced Monday.
Danault (neck) told reporters he was back to full health and training for next year, Renaud Lavoie of TVA Sports reports.
Rychel was reassigned to AHL Laval on Sunday.
McCarron was reassigned to AHL Laval on Sunday.
Lernout was reassigned to AHL Laval on Sunday.
Carr netted his sixth goal of the season in Saturday's 4-2 loss to the Maple Leafs.
Hudon (face) will not play Saturday against the Maple Leafs, Renaud Lavoie of TVA Sports reports.
Hudon departed Friday's practice session prematurely after being hit in the face, Renaud Lavoie of TVA Sports reports.
Lehkonen scored his 12th goal of the season on two shots and had a two-minute minor penalty in Thursday's 4-3 win over the Red Wings.
Hudon (undisclosed) is in the lineup for Thursday's game in Detroit, Arpon Basu of The Athletic Montreal reports.
Scherbak will not be in action for the Habs' final two contests of the 2017-18 season after suffering a concussion, Eric Engels of Sportsnet reports.
Rychel had a goal, one shot, five hits and a two-minute minor penalty over 10:14 of ice time in Tuesday's 5-4 overtime loss to the Jets.
Valiev (lower body) was reassigned to AHL Laval on Tuesday.
Hudon (undisclosed) will not play Tuesday night against the Jets, Renaud Lavoie of TVA Sports reports.
Rychel made his Montreal debut Sunday, recording five hits and two blocked shots over 9:24 of ice time in a 2-1 loss to the Devils.
Reilly (undisclosed) returned to the active lineup Sunday after a one-game absence and assisted on Daniel Carr's power-play goal in a 2-1 loss to the Devils.
Carr recorded a power-play goal in Sunday's 2-1 home loss to the Devils.
Hudon (undisclosed) was a late scratch Sunday against the Devils.
Reilly (undisclosed) is listed as active on NHL.com's roster report for Sunday's home game against the Devils.
Galchenyuk recorded a power-play assist in Saturday's 5-2 loss to the Penguins.
Drouin scored a power-play goal -- a third straight game with a power-play point -- along with two shots on net and a two-minute minor penalty in Saturday's 5-2 loss to the Penguins.
Rychel, who was called up from AHL Laval on Friday, is expected to make his Montreal debut Sunday night at home against the Devils, Stu Cowan of the Montreal Gazette reports.
Reilly will sit out against the Penguins on Saturday evening, Renaud Lavoie of TVA Sports reports. It appears that the defenseman will be a healthy scratch.
De La Rose has made more impact on games over the past six weeks, Pat Hickey of the Montreal Gazette reports. "He's done what we've asked him to do," coach Claude Julien said. "I felt the first half of the season he was playing, the impact he had on the game was very, very minimal at best. Now, he's having an impact where he makes a great forecheck, turning the puck over, creating a scoring chance.