We often note the players who are on the trading block as the deadline approaches. There are not only major deals that get done at the trade deadline, but ones involving stars that we never saw coming.
These blockbuster deals are often meant to get a contender over the hump, or on the other side, it's meant for a struggling team to gain a couple top prospects in an effort to rebuild.
Sometimes the trades are win-win, and other times they just work out horrendously. Here are the past 25 big deadline deals and how they look in hindsight.