The 19-year-old is extremely versatile and has been busy adapting to a new role at full-back having shown his ability to play as a central midfield under Louis van Gaal last season.
His willingness to get forward from whatever position he plays in along with his running power bode well for a transition into a full-back in Mourinho’s system.
Riley’s crossing ability has earned him praise in the past and with Zlatan Ibrahimovic reportedly ready to sign with Man United, he might revel in the chance to supple the Swede with balls from the flank.
In what is becoming a recent trend, several of United’s players have sent out messages through their social media accounts in an effort to ensure fans or management of their enthusiasm ahead of the next season.
Timothy Fosu-Mensah has taken to posting videos of his stringent work-outs ahead of the season will be looking to show Mourinho he is working hard for his place on the side next campaign.
Riley did a great job when he was relied on against FC Midtjylland, he helped shut down their attacks and offered efficiency and pace down the left flank, linking up well with Memphis Depay on several occasions to cause havoc. There’s no doubt he’ll be wanting more opportunities on the first-team under Mourinho.