2026 Free Agent Profile: John Carlson 2026 Free Agent Profile 2026 Offseason by Chad DeDominicis - May 31, 2026May 31, 20260 John Carlson may be the top defenseman available in free agency. If the Sabres wanted to go all in on the blue line he would be good system fit. Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here