MIAMI — Barcelona, Manchester United and Chelsea will headline the 2015 International Champions Cup in the United States in July, organizers said Wednesday. The pre-season tournament, which has attracted huge attendances across the States, will feature 10 clubs in its third year. The other European teams in this year's competition are Paris St Germain, FC Porto and Fiorentina. Mexican champion Club America will be the first Liga MX team to feature. While venues are yet to be announced, the three MLS clubs New York Red Bulls, LA Galaxy and San Jose Earthquakes, are likely to play at home. — Reuters