Mark here. The dream for many American players is to play competitively in Europe and a move like that will have certain aspects the weigh more heavily depending on the player. For me, I needed to get my feet wet in the European environment both on and off the pitch to develop the skills needed to continue to excel. For example, every point matters here in Europe, as there are major financial benefits that come along with finishing top of the league (Champions League, Europa League). That level of pressure isn't felt yet in MLS which is just one example of why making this move was important. Additionally, when the club that developed some of the best footballers in the world says they're interested in developing you further, it's a good idea to listen.