The MLS All-Stars will out-class Chelsea en route to a major upset. These two sides will square off tonight, as a band of the best Major League Soccer players come together in a matchup against the European Champions in Philadelphia. While Chelsea features the more talented roster, exhibition matches tend to be fickle things. Often, the top players on each side will only play in a short burst; then, the game comes down to whichever side of reserves wants it more. For Chelsea, that means some of their younger stars will get the opportunity to prove themselves and push for playing time when the league season kicks off next month. However, for the MLS All-Stars, there is significantly more on the line—pride. This may not sound like much, but these players are consistently told that the level of soccer in the MLS isn't on par with that of the top European leagues. That constant knock on their brand has to wear on these players, and you will surely see a passionate effort from these talented North American footballers. Still, it will be a tough matchup. Chelsea has some of the top talents in the world, including, English stars Ashley Cole ...