About 12,000 visitors, including about 4,500 young athletes from 14 states, are expected in begin arriving in Greater Des Moines beginning today for the US Youth Soccer Region II Midwest Regional Championships. The championships are expected to have an estimated $6.5 million economic impact to Central Iowa. Games will be played at James W. Cownie Soccer Park, 2600 E Hartford Ave. in Des Moines, and Hidden Valley Soccer Complex, 1875 Walnut Woods Drive in West Des Moines. For more information on the championships, visit catchdesmoines.com/soccer.