The Flyers added Morin to their active roster Saturday.
Morin was demoted to the taxi squad Friday.
Flyers coach Alain Vigneault revealed Friday that Gostisbehere tested positive for COVID-19 during training camp, Sam Carchidi of The Philadelphia Inquirer reports.
Hart will patrol the crease during Saturday's road game versus the Bruins, Adam Kimelman of NHL.com reports.
Hart blocked 39 pucks Thursday in a 5-4 shootout loss to the Bruins.
Voracek set up three goals in a 5-4 shootout loss to Boston on Thursday.
Friedman (face) was taken out of Thursday's game versus the Bruins for precautionary reasons, Bill Meltzer of NHL.com reports.
Friedman (face) was injured in the second period of Thursday's game against the Bruins and did not return to the contest, Jordan Hall of NBC Sports Philadelphia reports.
Gostisbehere has been removed from the NHL's COVID-19 protocol list, Adam Kimelman of NHL.com reports.
Gostisbehere (COVID-19 protocols) skated on his own Wednesday, Bill Meltzer of NHL.com reports.
Morin was promoted to the active roster from the taxi squad Thursday.
Myers is considered week-to-week with a fractured rib.
Hart will be between the pipes for Thursday's road clash with the Bruins, Sam Carchidi of The Philadelphia Inquirer reports.
Frost has been ruled out indefinitely with a dislocated left shoulder.
The Flyers placed Frost (undisclosed) on injured reserve Wednesday, per Cap Friendly.
Pouliot was assigned to Philadelphia's taxi squad Wednesday.
Hayes scored an empty-net goal and added an assist in Tuesday's 3-0 win over the Sabres. He also had five shots and won 10 of 16 faceoffs (62.5 percent).
Voracek scored a goal on his only shot while providing two PIM and two hits in Tuesday's 3-0 win over the Sabres.
Konecny scored a goal on two shots and added a team-leading six hits in Tuesday's 3-0 win over Buffalo.
Elliott recorded a 40-save shutout Tuesday in a 3-0 win over Buffalo.
Frost (undisclosed) is expected to get an MRI on Tuesday after leaving the game against Buffalo with an injury.
Myers (undisclosed) will get an MRI and there should be an update regarding his injury Wednesday.
Frost exited Tuesday's contest versus the Sabres with an undisclosed injury, Jordan Hall of NBC Sports Philadelphia reports.
Myers (undisclosed) was injured on a hit by Buffalo's Jake McCabe in the first period of Tuesday's game,Jordan Hall of NBC Sports Philadelphia reports.
Elliott will start in the home net for Tuesday's game against the Sabres, Charlie O'Connor of The Athletic reports.