These 8 legendary sports trades all probably sounded like good ideas at first. Like most failed relationships, they started out with a great first date. Team owners and star athletes laughing and slapping each other's backs and shaking hands. 

Then, later, everything falls to pieces. 

One of the things that makes sports, all sports, are the one or two bad decisions that can unravel the hopes and dreams of an entire dynasty. So let these dumb trades be a warning to all the baseball, football, basketball and hockey teams out there. When it comes to trading one player for another, don't be dumb. 

8 dumbest trades in sports history

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