It is assumed the trade was for a conditional pick and the conditions were not satisfied.
The Grizzlies gave up a conditional first round draft pick.
This trade was for a 2011 conditional draft pick.
The Oilers would receive a fourth-round choice this year and a conditional third round pick in 1995.
Dallas added cash to the deal, and the Knicks were believed to have given a conditional draft pick.
Marshall was acquired from Columbus on March 10 in a trade for a conditional draft pick.
Chicago also received Norm Richardson and a conditional second-round pick.
They want a second-round pick, a conditional third-round pick and additional players.
O'Donnell was dealt to the Kings for a conditional third-round pick.
The Rangers also acquired a minor league defenseman and a conditional middle-round draft pick.