Though a comparatively young league, Major League Soccer has experienced its fair share of boom and bust signings.

Every season, teams roll the dice on big-money pickups (ahem, L.A. Galaxy and New York Red Bulls), while others shop for bargains.

Yet since the league's inaugural season in 1996, a few signings have truly been great for their respective teams.

Here's a list of some of the best. Apologies if your favorite didn't make the list, but keep in mind I tried to quantify "best signings" as cost versus league value.

In other words, Becks and Henry won't be found here (Becks was a lot of money for one title and the jury is still out on the prolific Henry).

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