You know if you look at every national team in the world, the coach is usually a domestic coach. And I think when you have coaches that don't know our culture, our environment, our players, it's hard.
San Jose Earthquakes v Real Salt Lake: Arena tempers expectations, aims to survive early season - Soccer News
Arena emphasized, "It's been about four weeks now we've been together, and it's a new way of doing things. It's going to take some time, it won't all be ready for the first game."