The precipitous parity in the National Hockey League means that trade deadline forecasts are forever changing. 'Twas a time when Alexander Edler of the Vancouver Canucks looked destined to be moved, but now there's talk of an extension. Several teams jockeying with the Canucks for the final few playoff spots in the West go from buyers to sellers and back again in the span of weeks.
But there are some tried-and-true assets that move at the deadline no matter what, like players with expiring contracts, players in need of a change in scenery and Thomas Vanek.