There's been a flurry of deals around the NFL in the past few weeks, and more may be on the horizon over the next day. We've seen star veteran wide receivers traded: Davante Adams, Amari Cooper, DeAndre Hopkins,

But it doesn't always take long to identify a savvy addition or shrewd sell-off, as several teams in recent years have boosted their outlook for either the short or long term by pulling off a trade that was immediately recognizable as a boon.