Blackwell (lower body) was placed on waivers Sunday, Chris Johnston of The Athletic reports.
Blackwell had been dealing with an injury but has recovered. He earned four goals, 15 points, 61 shots on net, 37 blocked shots and 112 hits in 70 games for Dallas during the 2025-26 regular season. If he clears waivers, he could start the 2026-27 campaign with AHL Texas.