MLS Player Rankings: Who's got the best keepers?

[SA POSITIONAL RANKINGS] As the 2011 MLS season gets underway, Soccer America begins its rankings of each team by position with a listing of the goalkeepingcorps. The addition of expansion teams Vancouver and Portland have wrought changes in the careers of many players, including veteran goalkeepers Jay Nolly, Joe Cannon and TroyPerkins. Nolly and Cannon are battling for the starting job in Vancouver, while Perkins is dueling with another MLS veteran – former Rev Adin Brown – to man thenets for Portland.