Kraken Placed Melanson on Indefinite Leave
The Seattle forward has been sidelined following the diagnosis of a vascular aneurysm.
Updated on Oct. 10, 2026 in Hockey
The Seattle Kraken have placed 23-year-old forward Jacob Melanson on indefinite leave after he was diagnosed with an anterior mediastinum hematoma with a vascular pseudo aneurysm. The injury occurred during a game against the Calgary Flames.
Why it matters
The team medical staff is currently monitoring Melanson as he undergoes a healing process. He is following a gradual progression plan to facilitate his eventual return to hockey.
Melanson played 9 minutes and 31 seconds in the game against Calgary where he sustained the injury. He recorded five points and 32 penalty minutes across 36 games during the 2025-26 season.
The players
Jacob Melanson
He is a 23-year-old professional hockey player currently rostered by the Seattle Kraken.
Seattle Kraken
This is a professional ice hockey team based in Seattle that competes in the NHL.
Calgary Flames
This is a professional NHL ice hockey team based in Calgary.
The details
Melanson, who was selected 131st overall in the 2021 NHL Draft, sustained the upper-body injury on October 1. Medical staff in Seattle are actively evaluating his condition through the healing process.
Timeline
Jacob Melanson was selected in the 2021 NHL Draft.
Melanson played 36 games during the 2025-26 season.
The injury occurred during a game on October 1, 2026.
The vascular aneurysm diagnosis was announced on October 10, 2026.
Season Trajectory
The indefinite leave of a depth forward alters the Kraken's roster rotation early in the 2026-27 campaign. This absence forces the coaching staff to adjust their lineup depth as they look to maintain momentum in a competitive division.
The loss of Melanson removes a rotation player from the Kraken's lineup for the foreseeable future. Fantasy managers and team observers should monitor official injury reports for any updates regarding his progression toward a return.
The takeaway
Anterior mediastinum injuries require careful medical monitoring to ensure safe return-to-play protocols. Maintaining consistent observation of such vascular conditions is essential for long-term health and athletic performance.
Further reading
For more on roster updates, visit the Seattle Hockey section.
