| Date/Season | Transaction |
|---|---|
| 1/12/2010 | Ottawa Senators send Jean-Pierre Dumont, Pavel Datsyuk to the Nashville Predators for Brendan Bell, Jeff O'Neill, Michael Barinka, BOS 2013 Rnd 3 |
| 1/7/2010 | Nashville Predators send Dave Scatchard, Karel Rachunek, Petr Cajanek, BOS 2012 Rnd 1, PIT 2012 Rnd 1, FLA 2012 Rnd 1, OTT 2012 Rnd 1, $12,500,000 to the Anaheim Ducks for Andrew Ference, Anton Babchuk, Jeff O'Neill, Yann Sauve, ANA 2015 Rnd 1 |
| 1/4/2010 | Toronto Maple Leafs send Jeff O'Neill to the Anaheim Ducks for Jimmy Hayes, ANA 2013 Rnd 3, $750,000 |
