Ralf Rangnick wanted Anthony Elanga to make Atletico Madrid's defenders scared as he came on in the Champions League encounter on Wednesday - which he certainly achieved.
Manchester United came away from the Spanish capital with a fortuitous 1-1 draw on Wednesday despite being outplayed for the vast majority of the match.
Diego Simeone will no doubt still be pulling his hair out on Thursday morning as he watched his side take the lead after just six minutes through Joao Felix and go on to create several more chances to end the match, and perhaps even the tie, as a contest.