One of the most interesting aspects of MLS when compared to many other popular soccer leagues in the world is that MLS operates under a salary cap. From a roster-building perspective, this has a tremendous impact on how players are valued. Considering the following thought experiment. Let’s say that we have two players who play the same position, have the same age and injury history, and have the exact skill level. For all intents and purposes, they are the same player. Now, let’s say that Player A has a much better agent than Player B and manages to get a contract with a team for 4 times the amount of money as player B.