Holders Manchester United and Chelsea will be among the sides playing in the pre-season International Champions Cup North America. The tournament will also include Barcelona, Paris St Germain, Porto, Fiorentina, New York Red Bulls, LA Galaxy, San Jose Earthquakes and Mexican side Club America United and Real Madrid attracted a crowd of 109,318 to Michigan Stadium during last year’s tournament before Louis van Gaal’s side went on to beat Liverpool in the final.