Every contending team's general manager has nightmares of making a trade deadline blunder that costs their team in the short or long term. A win-now move can blow up in their face with a first-round elimination or with the picks and prospects sacrificed becoming superstars elsewhere.
So the buying GM must understand which players will be overpriced, and which useful players will go more under the radar.
Here is a look at five upcoming unrestricted free agents (UFA) who will make savvy deadline acquisitions and five who will probably cost more than they are worth.