Ristolainen is battling an undisclosed ailment and will miss his fourth game of the season on Thursday. The 30-year-old Finnish defenseman is averaging 20:31 time-on-ice and has 19 points (4G / 15A) in 63 games this season.

Ristolainen is battling an undisclosed ailment and will miss his fourth game of the season on Thursday. The 30-year-old Finnish defenseman is averaging 20:31 time-on-ice and has 19 points (4G / 15A) in 63 games this season.
The Flyers have lost five straight (0-5-0) and will hope for a better result on Thursday, turning to Ersson between the pipes against the Tampa Bay Lightning. The 25-year-old Ersson has struggled lately, posting an ugly 5.04 GAA and .820 SV% in his last four appearances (0-2-1). He has a 2.97 GAA and .889 SV% in 37 games this season (18-12-4). The Flyers enter Thursday's contest as +146 home underdogs against a Lightning squad outscored 8-1 during a two-game losing skid.
Emil Andrae will draw back into Philadelphia's lineup on Tuesday against the Ottawa Senators, resulting in Zamula being a healthy scratch. The 24-year-old Zamula is averaging 16:41 time-on-ice and has 14 points (3G / 11A) in 47 games this season.
Egor Zamula will be a healthy scratch on Tuesday against the Ottawa Senators, allowing Andrae to re-enter the lineup. The 23-year-old Andrae is averaging 18:55 time-on-ice and has six points (1G / 5A) in 25 games this season.
The Senators acquired Dennis Gilbert, Dylan Cozens and a 2026 2nd Round Pick from the Sabres for Josh Norris and Jacob Bernard-Docker. Gilbert has only played 25 games this season, averaging 10:04 time-on-ice, but will add needed depth the the Senators blueline. The 28-year-old defenseman has five points (0G / 5A), 29 blocks, and 52 hits this season.
Andrae was a second-round pick of the Flyers in the 2020 NHL Entry Draft. The 23-year-old has split time between Lehigh Valley (AHL) and the Flyers this season. He's played a career-high 24 games with the Flyers this season, tallying six points (1G / 5A).
Abols made his NHL debut earlier this season, scoring two points (1G / 1A) in nine games with the Flyers. The 29-year-old forward has spent most of the 2024-25 season, recording 27 points (12G / 15A) in 44 games with the Lehigh Valley Phantoms this season.
Grebenkin was a fifth-round pick, 135th overall, of the Maple Leafs in the 2022 NHL Entry Draft. The 21-year-old forward made his NHL debut this season, scoring zero points in seven games, but has been much more productive at the AHL level, scoring 21 points (9G / 12A) in 39 games with the Toronto Marlies.
Gilbert has only played 25 games this season, averaging 10:04 time-on-ice, but will add needed depth the the Senators blueline. The 28-year-old defenseman has five points (0G / 5A), 29 blocks, and 52 hits this season.
Kolosov has not played a game with the Flyers since January 2nd and has been reassigned to the Lehigh Valley Phantoms (AHL). The 23-year-old goalie has a 3.45 GAA and .870 SV% in 15 games this season (4-8-1).
The Flames snapped a three-game losing skid in their previous outing, a 6-3 win over the Philadelphia Flyers with Dustin Wolf between the pipes, but they will turn to Vladar on Thursday against the Dallas Stars. The 27-year-old Vladar was solid in his previous outing, saving 39 of 42 shots (.929 SV%) in a 3-0 loss to the Florida Panthers. The Czech netminder has a 2.98 GAA and.894 SV% in 24 appearances this season (8-11-5). The Flames enter Thursday's contest as +205 road underdogs against a Stars club on a three-game winning streak.
The Flames snapped a three-game losing skid in their previous outing, a 6-3 win over the Philadelphia Flyers with Dustin Wolf between the pipes, but they will turn to Vladar on Thursday against the Dallas Stars. The 27-year-old Vladar was solid in his previous outing, saving 39 of 42 shots (.929 SV%) in a 3-0 loss to the Florida Panthers. The Czech netminder has a 2.98 GAA and.894 SV% in 24 appearances this season (8-11-5). The Flames enter Thursday's contest as +205 road underdogs against a Stars club on a three-game winning streak.
Ersson had a forgetful performance in the Flyers' previous outing, allowing three goals on five shots (.400 SV%) in a 6-3 loss to the Calgary Flames, and will hope for a better result on Thursday against the Winnipeg Jets. The 25-year-old Ersson has a 2.91 GAA and .890 SV% in 35 appearances this season (18-10-4). The Flyers enter Thursday's contest as +139 home underdogs against a Jets team they defeated 2-1 less than a week ago.
Gilbert will be the odd-man out on the Sabres' blue-line when they host the Sharks on Tuesday. Mattias Samuelsson will draw into the lineup in his place.