The St. Louis Blues have assigned forward prospect Justin Carbonneau to the AHL's Springfield Thunderbirds after his junior season with the Blainville‑Boisbriand Armada wrapped up. Despite a disappointing Game 7 loss, the 19-year-old had a standout season, topping the QMJHL with 51 goals and 80 points. He will join Springfield as they prepare for a critical Game 4 against the Providence Bruins, where his immediate playing status is uncertain. Carbonneau's performance and scoring ability position him as a key asset for the Thunderbirds as well as a focal point for Blues’ development ahead of the fall training camp.

By the Numbers
  • 51 goals led the QMJHL during the 2025–26 season.
  • 80 points in 60 games gave him a +31 rating for the regular season.
  • 20 points (9 goals, 11 assists) in 17 playoff games.
State of Play
  • The Thunderbirds lead their playoff series against the Bruins 2–1.
  • Carbonneau's availability for the upcoming Game 4 remains undecided.
What's Next

Carbonneau's first appearance in the AHL could provide insights into his readiness for the NHL. The Blues' coaching and development staff will closely monitor his integration with professional competition, which may influence roster decisions for the upcoming season.

Bottom Line

Justin Carbonneau's move to the AHL symbolizes a critical step in his development, as he aims to showcase his skills at a higher level while contributing to Springfield's playoff efforts. His performance will be pivotal in determining his future with the Blues organization.