If it's a defenceman being dealt from Toronto, here's a run-down...
Untouchable: Morgan Rielly - Top pairing potential, powerplay QB, 5th overall in 2012. Jake Gardiner - Top pairing potential, NHL all rookie team in 2012, 17th overall in 2008.
Unlikely to be traded: Dion Phaneuf - #2 defenceman, physical two-way player, 9th overall in 2003.
Possible trade bait: Carl Gunnarsson - Second pairing defenceman, cerebral and consistent two-way player, 194th in 2007. Luke Schenn - Second pairing potential, defensive player with some puck skills, 5th overall in 2008. John-Michael Liles - Second pairing defenceman, powerplay QB, 159th overall in 2000. Cody Franson - Second pairing potential, good size/skating, can play the PP, 79th overall in 2005. Jesse Blacker - Second pairing potential, great skating/puck skills, 58th overall in 2009. Korbinian Holzer* - Third pairing potential, shut-down defenceman, 111th overall in 2006.
Little to no value: Mike Komisarek - #6/7 defensive defenceman, good leader but overpriced contract, 7th overall in 2001. Simon Gysbers* - AHL defenceman, good size/skating, signed as an NCAA UFA in 2010. Mark Fraser* - AHL defenecman, defensive player, 84th overall in 2005. Juraj Mikus* - AHL defenceman, defensive player with good size/skating, 134th overall in 2007.
Unlikely to be traded (prospects): Stuart Percy - Second pairing potential, cerebral puck moving player, 25th overall in 2011. Matthew Finn - Second pairing potential, smart two-way player, 35th overall in 2012. Viktor Loov - Unknown, drafted by scout Thommie Bergmann (legendary European head scout). Tom Nilsson - Second pairing potential, project two-way player in Kronwall mould, 100th overall in 2011. Petter Granberg - Third pairing potential, strictly defensive player, tremendous strength, 116th overall in 2010. Dennis Robertson - Third pairing potential, good shot on the PP, 173rd overall in 2011. Andrew MacWilliam - Depth defenceman potential, defensive player, 188th overall in 2008. Max Everson - Depth defenceman potential, mobile defensive player, 203rd overall in 2011. Eric Knodel - 3rd pairing potential, project player with good size/skating, 128th overall in 2009.