Imagine Jerry Rice as a Dallas Cowboy. Would Brett Favre have been as successful with the Atlanta Falcons? Would the Raiders have won Super Bowl XXXVII if Jon Gruden was on their sideline instead of the Buccaneers'?
Some teams make unforgettable trades ... just for all the wrong reasons.
Here are the NFL's worst trades ever.
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It built a dynasty … for the team that traded Walker, the Cowboys. Jerry Jones and Jimmy Johnson got five players (all expendable) and eight draft picks (who were turned into, among others, Emmitt Smith and Darren Woodson) for Walker and three picks.