| Date/Season | Transaction |
|---|
| 6/17/2012 | Philadelphia Flyers send Pierre-Marc Bouchard, Rosario Ruggeri to the Calgary Flames for Darren Helm, Joel Edmundson, Michael Leighton, CGY 2016 Rnd 1 |
| 6/27/2011 | San Jose Sharks send Mike York, Rick Nash, $1,500,000 to the Nashville Predators for Kirill Koltsov, Michael Leighton, Olli Jokinen, PHI 2015 Rnd 3 |
| 6/1/2011 | Phoenix Coyotes send Jiri Fischer, Michael Leighton to the Nashville Predators for Luca Cunti, Stefan Liv, Ville Mantymaa |
| 2006 | Drafted in the 2nd round, 38th overall by NYIslander |
