The news that Buffalo Sabres captain Rasmus Dahlin and his fiancée, Carolina Matovac, had faced a devastating personal health crisis came as a shock to many fans. In September 2025, Dahlin shared details of Matovac’s heart failure and transplant, along with the revelation that they had lost their unborn child.

Age: 25 (born April 13, 2000) ·
Position: Defenceman ·
Team: Buffalo Sabres (NHL) ·
Height / Weight: 6’3″ / 204 lbs ·
Captaincy: Captain, Buffalo Sabres ·
NHL Draft: 1st overall, 2018

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact date of the heart transplant surgery
  • Cause of the heart condition beyond sudden major failure
3Timeline signal
4What’s next
  • Matovac is recovering and returned to Buffalo in March 2026 (ESPN report)

Eight key facts about Rasmus Dahlin, drawn from verified sources:

Attribute Detail
Full Name Rasmus Erik Dahlin
Birthdate April 13, 2000
Birthplace Trollhättan, Sweden
Current Team Buffalo Sabres
Position Defenceman
Shoots Left
Draft 2018, 1st overall
Fiancée Carolina Matovac

What happened to Rasmus Dahlin’s fiancée?

Heart transplant details

  • Carolina Matovac became seriously ill while vacationing with Dahlin in France in early summer 2025 (NHL.com / Buffalo Sabres official statement).
  • She experienced major heart failure and received CPR multiple times, sometimes for up to two hours (NHL.com / Buffalo Sabres official statement).
  • She was transferred to a hospital in France, placed on life support, and later received a heart transplant (ESPN report).

Recovery and public support

  • Matovac spent most of the following months recuperating in Sweden before returning to Buffalo in March 2026 (ESPN report).
  • At her first Sabres game back, fans gave her a warm ovation (ESPN report).
  • Dahlin publicly thanked organ donors in his September 2025 letter on the Sabres site (NHL.com / Buffalo Sabres official statement).
Why this matters

The couple’s decision to share the story has already spurred increased awareness about CPR training and organ donation registrations, showing how personal tragedy can drive public health action.

Did Rasmus Dahlin lose a child?

Confirmation from fiancée

  • Matovac revealed in January 2026 that she had been pregnant when her heart failed (ESPN report).
  • The fetus did not survive (ESPN report).
  • She called the unborn child “our first baby” and said they never had the chance to meet (ESPN report).

Public statement details

  • Dahlin and Matovac released the details to raise awareness for CPR training and organ donation (ESPN report).
  • The Sabres said Matovac’s condition had been kept private until Dahlin disclosed it around training camp in September 2025 (ESPN report).

“We hope that by sharing our story, we can inspire others to learn CPR and consider becoming organ donors.”

— Carolina Matovac, statement to ESPN

Who is Rasmus Dahlin’s partner?

Carolina Matovac background

  • Her name is Carolina Matovac (verified via team and media reports).
  • She shares the same birthday as Dahlin (April 13) (ESPN report).
  • She is now recovering well after a heart transplant and is expected to make a full recovery (NHL.com / Buffalo Sabres official statement).

Relationship timeline

  • Dahlin and Matovac are engaged, as confirmed in multiple reports.
  • The health crisis became public in September 2025; Matovac returned to Buffalo in March 2026 (ESPN report).

How good is Rasmus Dahlin?

NHL career statistics

  • Drafted 1st overall in 2018 by the Buffalo Sabres (NHL.com / Buffalo Sabres official site).
  • Recorded 70+ points in the 2022-23 season, one of only two defensemen in the NHL to do so (NHL.com / Buffalo Sabres official site).
  • Appointed captain of the Sabres in 2024 (NHL.com / Buffalo Sabres official site).
  • Named an NHL All-Star in 2024 (NHL.com / Buffalo Sabres official site).

Awards and captaincy

  • Captain of the Buffalo Sabres since 2024, becoming the youngest captain in the team’s modern era.
  • His 70+ point season placed him among elite offensive defensemen.
The upshot

Dahlin is already one of the NHL’s top defensemen at age 25, and his leadership role solidifies his importance to a franchise trying to return to the playoffs.

What did Brad Marchand do to Rasmus Dahlin?

Helmet removal incident

  • During a game, Boston Bruins forward Brad Marchand pulled apart Dahlin’s helmet from behind (The New York Times / The Athletic report).
  • The incident was widely covered and drew attention to Marchand’s disciplinary history.

Disciplinary history

“I was just trying to get him off the puck. It wasn’t anything malicious.”

— Brad Marchand, quote via The New York Times

Timeline

  • 2018: Drafted 1st overall by Buffalo Sabres (NHL.com / Buffalo Sabres official site)
  • 2022-23: Recorded 70+ points, one of two NHL defensemen (NHL.com / Buffalo Sabres official site)
  • 2024: Named NHL All-Star, appointed Sabres captain (NHL.com / Buffalo Sabres official site)
  • Early summer 2025: Matovac’s heart crisis began in France (NHL.com / Buffalo Sabres official statement)
  • September 2025: Dahlin publicly disclosed the health crisis (NHL.com / Buffalo Sabres official statement)
  • January 2026: Matovac revealed baby loss (ESPN report)
  • March 2026: Matovac returned to Buffalo (ESPN report)

Clarity: Confirmed vs. Unclear

Confirmed facts

  • Carolina Matovac lost a baby during the heart crisis
  • She underwent a heart transplant
  • Dahlin is Sabres captain
  • Dahlin was 1st overall pick in 2018
  • Brad Marchand pulled Dahlin’s helmet

What’s unclear

  • Exact date of the heart transplant surgery
  • Cause of the heart condition beyond sudden major failure

Quotes

“We hope that by sharing our story, we can inspire others to learn CPR and consider becoming organ donors.”

— Carolina Matovac, via ESPN

“The support from the fans has been incredible. Carolina felt the love the moment she stepped back into the arena.”

— Rasmus Dahlin, post-game comments

The full picture is one of resilience: a young couple navigating a private nightmare while carrying the weight of a captain’s leadership on the ice. For Dahlin, the challenge now is to balance his fiancée’s continued recovery with the pressure of leading the Sabres back to relevance. For Sabres fans, the takeaway is clear: their captain’s personal strength mirrors the toughness he shows on the ice, and the team’s future depends on both his health and his leadership.

Frequently asked questions

Is Rasmus Dahlin married?

No, he is engaged to Carolina Matovac as of public reports.

What is Rasmus Dahlin’s height?

6’3″ (190 cm).

Does Rasmus Dahlin have children?

No. He and his fiancée lost a baby during her heart crisis in 2025.

What college did Rasmus Dahlin attend?

He did not attend college; he played professionally in Sweden before being drafted.

What is Rasmus Dahlin’s jersey number?

26 for the Buffalo Sabres.

Did Rasmus Dahlin win a Stanley Cup?

No, the Sabres have not won the Stanley Cup during his tenure.

Who is Rasmus Dahlin’s agent?

His agent is not publicly listed in major sports databases; representation may change.