
Why will a penalty shootout take place after the Arsenal vs Man Utd pre-season friendly?
July 22: Arsenal vs Man Utd (MetLife Stadium, New Jersey) - 10pm July 26: Man Utd vs Wrexham (Snapdragon Stadium, San Diego) - 3.30am July 27: Real Madrid vs Man Utd (NRG Stadium, Houston) - 1.30am July 31: Man Utd vs Borussia Dortmund (Allegiant