Coach Mike Sullivan said Simon is being evaluated for a lower-body injury.
Johnson scored the game-tying goal on his only shot of the game while adding three hits and three blocks in Sunday's 4-3 win over the Bruins.
Coach Mike Sullivan said Kahun is being evaluated for an upper-body injury.
Rust scored the game-winning goal and had two shots with two hits in a 4-3 win over Boston on Sunday.
Crosby dished out a pair of assists and had one shot on goal with four hits in Sunday's 4-3 win over the Bruins.
Blueger scored a goal on four shots and was plus-2 with two PIM in a 4-3 win over Boston on Sunday.
Murray made 34 saves Sunday in a 4-3 win over Boston.
Simon exited Sunday's game versus the Bruins with an undisclosed injury, Mike DeFabo of the Pittsburgh Post-Gazette reports.
Kahun (undisclosed) left Sunday's game against the Bruins, Josh Getzoff of PensTV reports.
Murray will draw the home start for Sunday's game against the Bruins, Dave Molinari of DKPittsburghSports.com reports.
Head coach Mike Sullivan said there is not timetable for Dumoulin (ankle) to return to the lineup, Matt Vensel of the Pittsburgh Post-Gazette reports.
Crosby scored his seventh goal of the season in Thursday's 4-1 loss to Boston.
Jarry made 26 saves in a 4-1 loss to Boston on Thursday night.
Jarry will start between the pipes Thursday in Boston.
Letang snagged an assist versus the Wild on Tuesday.
Marino garnered an assist against the Wild on Tuesday.
Rust scored a goal and recorded an assist in Tuesday's victory over Minnesota.
Galchenyuk scored his fifth goal of the season in Tuesday's 7-3 win over the Wild.
Simon scored a goal and an assist in Tuesday's 7-3 victory over Minnesota.
McCann scored a goal on three shots in Tuesday's 7-3 victory over the Wild.
Jarry allowed three goals on 29 shots in a 7-3 victory over the Wild on Tuesday.
Malkin posted two power-play goals and an assist in a 7-3 victory over the Wild on Tuesday.
Crosby recorded a goal and three assists with three shots in his return from a groin injury during a 7-3 victory over the Wild on Tuesday.
According to Matt Vensel of the Pittsburgh Post-Gazette, Jarry was the first goalie off the ice at morning skate, which suggests he'll guard the cage during Tuesday's home game versus the Wild.
Crosby (groin) will return to the lineup for Tuesday's matchup with Minnesota.