By Braden Chalker This year’s US Open Cup competition is set to look quite different from tournaments in years past. Usually, every MLS team would compete in the oldest club competition in the United States. But MLS has opted to go down a different route, with some clubs taking part in some fashion with their first or second teams, while others aren’t featuring in any capacity. The decision for some MLS teams to play in the Open Cup could be pointed at fixture congestion as several teams are already competing in Concacaf Champions Cup, Leagues Cup, and of course, MLS, along with Open Cup actio…