| Date/Season | Transaction |
|---|
| 9/16/2026 | New Jersey Devils send Slater Koekkoek (Rental) & Tyler Seguin (salary retention of $1mill) to the Columbus Blue Jackets for CBJ 1st 2033, Mitch Wahl, Thomas Chabot, $2 million cash & a conditional $1mill per round won in the upcoming postseason.. |
| 5/22/2026 | New York Rangers send Mitch Wahl, Jakub Milota, Jakub Dvorak to the Columbus Blue Jackets for Sonny Milano, Julian Melchiori |
| 1/16/2021 | Philadelphia Flyers send Evgeni Dadonov, $2,500,000, PHI 2027 Rnd 3 to the Colorado Avalanche for Mitch Wahl (rental) |
| 10/25/2012 | Buffalo Sabres send Mitch Wahl to the Colorado Avalanche for $2,500,000 |
| 2012 | Drafted in the 2nd round, 51st overall by Buffalo (from Calgary) |
