New coaches have lots to sort out in Tucson

[MLS PRESEASON: Desert Diamond Cup] Three of the five MLS teams in the FC Tucson Desert Diamond Cup, Chicago, Chivas USA and Real Salt Lake, have new head coaches,and a fourth, Colorado, still hasn’t named a head coach for the 2014 season, so there’s a lot new about the teams in the Arizona tournament that kicks off Wednesday. For a look at what the five MLSteams have to sort out in the final two weeks of preseason.