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Worst trades involving NFL draft picks

Robert Griffin III and Trent Richardson were the No. 2 and 3 overall picks in the 2012 NFL Draft. The teams that drafted each player thought so highly of their potential that they traded up in order to secure their services.

On Monday, hours after RGIII was relegated to backup duty by the Redskins, the Raiders released Trent Richardson. Richardson was already on his third team after starting his career with the Browns.

Both players are cautionary tales of the perils of trading away valuable draft picks -- possibly mortgaging a franchise's future in the process -- to acquire a player. Here's a look at 15 of the worst NFL trades involving draft picks.

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