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Mantha's Boarding Major Knocks Matinpalo Out as Ottawa's Blue-Line Crisis Deepens

By SportsMonkie Ice Hockey Desk Updated October 12, 2026
A referee raising one arm to signal a major penalty beside an open penalty-box door, a discarded stick and glove on the ice near the boards and a trainer by the bench, editorial graphic
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On this page5
  1. 01What happened on the hit?
  2. 02Why did a major not come with an ejection?
  3. 03Why does Ottawa feel this one more than most teams would?
  4. 04What does Mantha’s own situation add to it?
  5. 05What happens next?

The hit was not the end of the play anyone will remember from Monday night in Newark; the empty space on Ottawa’s blue line is. Anthony Mantha drove Nikolas Matinpalo into the boards from behind in a scoreless first period, took a five-minute major for boarding, and stayed in the game, Sportsnet reports. Matinpalo, helped up by medical staff and taken straight down the tunnel, did not come back, Daily Faceoff reports. Ottawa won 4-1 anyway. What the Senators lost is harder to replace than the two points were to keep.

What happened on the hit?

A race for a loose puck that ended with the trailing player making the decision. Mantha chased Matinpalo toward the boards at the New Jersey blue line and pushed him from behind and down to the ice with just under ten minutes left in the first period, Sportsnet reports. Daily Faceoff reports Matinpalo was already losing his balance as he reached the puck in front of the Devils’ bench and went head-first into the boards. Players from both teams converged in a scrum while he stayed down, and after he got to his feet he left the ice and went directly to the dressing room.

That sequence, a defenceman arriving off balance with his numbers showing, is the exact profile the boarding rule exists for. The debate the clip starts is not whether it was a penalty. It is where the punishment stops.

Why did a major not come with an ejection?

Because the officials kept the two decisions separate. SensShot reports Mantha was assessed the five-minute major and was not given a game misconduct, so he returned in the second period, and New Jersey killed the full major while allowing Ottawa two shots on it. A boarding major punishes the team for five minutes; it does not, by itself, remove the player.

Whether the league removes him for longer is a different process with a different checklist, and it is the same fork this desk has now seen three times in a week. Frank Nazar’s check on Bo Horvat brought a match penalty and then a two-game suspension, because a match penalty alleges deliberate intent. Evan Rodrigues, Mantha’s own team-mate, jabbed Marco Rossi in the throat area on Saturday and kept playing after his major was reviewed down and Player Safety settled for a maximum fine. Mantha’s case lands between those poles: a major that stood, an opponent who left injured, and no ejection to signal how the officials graded the intent.

Why does Ottawa feel this one more than most teams would?

Because Matinpalo is not a spare part going down; he is the fourth defenceman on the same list. SensShot’s accounting of the Senators’ blue line is stark: Jake Sanderson has been sidelined since midway through the first period of the season opener, Artem Zub has yet to play a game this season while healing from a knee injury, and depth defenceman Cam Crotty has been placed on injured reserve. Matinpalo had dressed for every one of Ottawa’s first six games, averaging 17:45 a night, Daily Faceoff reports, and he lasted 2:19 on Monday.

What remains is Thomas Chabot, Jordan Spence, Tyler Kleven, Carter Yakemchuk and rookie Hoyt Stanley holding a five-man rotation for a team that had won four of its first five. A club can survive a five-minute major. Surviving a month with one injury standing between it and an emergency call-up is a different problem, and it is the context Player Safety’s decision lands in, even though the standings damage is formally none of the department’s business.

What does Mantha’s own situation add to it?

Pressure, of a quieter kind. Mantha is 32, in the first season of a two-year deal with New Jersey, and he had yet to register a point in the Devils’ first four games while averaging 13:40 a night, Sportsnet reports. A scoreless power forward trying to establish himself on a new team is the classic profile for a hit thrown a half-second too hard, which explains the play without excusing it. Heavy notes he has never been suspended in the NHL, and that clean record is the strongest card his side holds if a hearing is called: the department’s scale for first-time offenders in this exact week topped out at Nazar’s two games, for a hit it judged deliberate.

The other recent Ottawa-adjacent precedent cuts the other way on severity grading. When Jeremy Lauzon’s hit on Oliver Ekman-Larsson drew no penalty at all and Ekman-Larsson practised a day later, the story ended quickly because the injured player recovered. Matinpalo did not finish the game, and an injury on the play is historically the single strongest predictor of supplemental discipline, stronger than the clip itself.

What happens next?

A short wait, then a phone call or a silence that is itself the answer. Player Safety typically announces hearings the day after a game, and the Devils’ schedule gives the department a clean window before the story is overtaken. If a hearing comes, the questions are the standard ones this desk has tracked through the wrong-man penalty that a hot mic reversed in Boston and the Rodrigues downgrade: what the first call was, what review made of it, and what the league’s second look adds. For Ottawa, the next news is medical rather than disciplinary: any word on Matinpalo’s timeline, and whether Sanderson’s or Zub’s return can be hurried without being rushed.

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Frequently asked questions

What did Anthony Mantha do to Nikolas Matinpalo?+

He boarded him from behind in the first period. Mantha chased Matinpalo and a loose puck toward the boards near the New Jersey blue line and pushed the defenceman from behind and down to the ice, Sportsnet reports. Daily Faceoff reports Matinpalo was losing his balance as he arrived and went head-first into the boards in front of the Devils' bench.

What penalty did Mantha receive?+

A five-minute major for boarding, and nothing more on the night. SensShot reports he was not given a game misconduct and returned in the second period. New Jersey killed off the full major, holding Ottawa to two shots on the extended power play, and Ottawa went on to win the game 4-1.

How badly is Matinpalo hurt?+

The Senators announced an upper-body injury and no return once the second period began, Daily Faceoff reports. Matinpalo logged just 2:19 of ice time across four shifts. No timeline beyond that has been given, which is normal for an upper-body designation on the night itself.

Why is Matinpalo's injury such a problem for Ottawa?+

Because he is the fourth defenceman Ottawa has lost. Jake Sanderson has been out since midway through the first period of the season opener, Artem Zub has yet to play this season while recovering from a knee injury, and depth defenceman Cam Crotty is on injured reserve, SensShot reports. Thomas Chabot, Jordan Spence, Tyler Kleven, Carter Yakemchuk and rookie Hoyt Stanley are what remains.

Will Mantha be suspended?+

That is Player Safety's call, and none had been announced on Monday night. The factors that usually drive a boarding case are all present in some form: contact from behind, a defenceless player arriving off balance, and an injury on the play. Against that, Mantha has never been suspended in the NHL, a history the department weighs heavily.

How does this compare with the season's other early discipline cases?+

It sits between the two poles the league set last week. Frank Nazar drew a match penalty and a two-game suspension for a head check inside the flow of play, while Evan Rodrigues kept playing after a throat-area stick jab was reviewed down and settled with a maximum fine. A major with no misconduct and an injured opponent is the profile that most often produces a hearing.

Who is Nikolas Matinpalo?+

A 28-year-old defenceman from Espoo, Finland, in his second full season with Ottawa. Daily Faceoff reports he had dressed for each of the Senators' first six games, averaging 17:45 a night, and that he won a bronze medal with Finland at the 2026 Winter Olympics. He has a goal and nine points in 101 career NHL games.

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