Matinpalo is an undrafted 26-year-old defenseman that played a career-high 41 games with Ottawa this season, scoring four points (1G / 3A). He appeared in all six playoff games for Ottawa this postseason as well.

The Senators will of course turn back to Ullmark between the pipes on Thursday as they hope to push their opening round series against the Maple Leafs to a deciding Game 7. The former Vezina Trophy winner is coming off his best performance of the playoffs and arguably stole the victory for Ottawa in Game 5, posting a shutout in a game where the Sens were outshot 29-19. Ullmark owns a 2.80 GAA and an .883 SV% through the opening five games of the series. The Senators enter action on Thursday at -120 on the money line.

Ullmark was solid in Ottawa's 4-3 overtime win in Game 4 on Saturday, saving 31 of 34 shots (.912 SV%) for his first postseason victory as a Senator, narrowing the Toronto Maple Leafs' series lead to 3-1. The 31-year-old netminder has a 3.44 GAA and .848 SV% in four games this postseason (1-3). He returns to the crease in Game 5 for a Senators team that is a +152 road favorite against the Maple Leafs, who have outscored them 15-10 in the series.

As expected, the Senators will stick with Ullmark for Game 3 of the series despite entering Thursday night's matchup in a 2-0 hole. Though he was unable to come away with the victory, Ullmark turned in a markedly better performance in the second game of the 2025 Battle of Ontario. The former Vezina Trophy winner stopped 18 of the 21 shots he faced in the 3-2 overtime loss. Ullmark and the Senators enter action on Thursday at -130 on the money line.

The Senators will unsurprisingly turn back to Ullmark between the pipes for Game 2 in Toronto. Ullmark had a night to forget in Game 1 on Sunday, allowing six goals on 24 shots. The six minor penalties his teammates were guilty of certainly didn't help matters, but Ullmark will undoubtedly need to be at the top of his game if the Senators are going to even the series on Tuesday. Ottawa enters action at +135 on the money line.

The Senators will opt for experience in Game 2 on Tuesday, with Nick Cousins replacing Matthew Highmore. The 29-year-old Highmore played 9:10 time-on-ice ice, recording a -1 plus/minus and four penalty minutes in Ottawa's Game 1 loss.

Cousin did not play Game 1 will draw into the lineup for Game 2, replacing Matthew Highmore. The 31-year-old Cousin has ample playoff experience, scoring 15 points (4G / 11A) in 63 career games, including winning a Stanley Cup last season with the Florida Panthers.

Greig played 17:51 time-on-ice and scored a goal in his playoff debut on Sunday but is nursing an undisclosed ailment that kept him from skating on Tuesday morning. Still, he is expected to be an option for Game 2 against the Toronto Maple Leafs. The 22-year-old Greig had 34 points (13G / 21A) in 78 games this season.

Cousins played in the final three games of the regular season but will be scratched in Game 1 vs. Toronto, with Matthew Highmore taking his spot on the fourth-line.

Highmore was a healthy scratch for the Senators' season finale but is expected to replace Nick Cousins on the Senators' fourth line on Saturday. HIghmore had just six points (2G / 4A) in 41 games this season, but was used frequently on the penalty kill (1:22 SH TOI/gm).

The Senators will look to build momentum heading into their first-round playoff matchup against the Toronto Maple Leafs, turning to Ullmark between the pipes in their season finale on Thursday against the Carolina Hurricanes. Ullmark played well in his most recent outing, saving 20 of 22 shots (.909 SV%) in a 5-2 win over the Ottawa Senators. The 31-year-old goalie has a 2.67 GAA and .911 SV% in 43 games this season (24-14-3). The Senators enter Thursday's contest as -125 home favorites against a Hurricanes team that lost 4-2 to the Montreal Canadiens last night.

Sanderson did not play Ottawa's previous game but he will draw back into the lineup for their season-finale on Thursday. The 22-year-old Sanderson is averaging 24:24 time-on-ice and has a career-high 55 points (11G / 44A) in 79 games this season.

Giroux did not play Ottawa's previous game but he will draw back into the lineup on Thursday. The 37-year-old veteran is averaging 18:16 time-on-ice and has 50 points (15G / 35A) in 80 games this season, marking the 13th 50-point campaign of his career.

Jensen has not played since April 11th but will draw back into the lineup on Thursday. The 34-year-old Jensen is averaging 20:14 time-on-ice and has 21 points (3G / 18A) in 70 games this season.