Manchester United lost to Arsenal 2-1 to kick off their USA leg of the pre-season tour but there were still positives to take from it. Amad looked sharp, Andre Onana looks back to his best, the form which prompted United to sign him from AC Milan and Marcus Rashford looks explosive again. Rasmus Hojlund and Leny Yoro suffered injuries to put a huge dampener in the proceedings but amidst all the newsworthy happening, one player flew under the radar. It is a big pre-season for Harry Amass and his prospects of breaking through into the first-team and judging from a big call Ten Hag made, it looks…