Manchester United fans have demanded Marcus Rashford get to work with striker coach Benni McCarthy after his finishing cost them a goal against Tottenham.Rashford, 24, was brought back into the United starting XI to face Spurs by Erik ten Hag, who favoured him over Cristiano Ronaldo after he'd recovered from illness.The England forward had a great chance to give his side the lead in the first half at Old Trafford after Fred's defence-splitting pass found him in the box. But he fired his 21st-minute effort too close to Hugo Lloris, who got down sharply to make the stop.READ MORE: Sheringham knows he'll upset Spurs telling Man Utd to 'break the bank' to get KaneThat led to pleas for former Blackburn and West Ham frontman McCarthy, who joined United as one of Ten Hag's first-team coaches in the summer, to intervene on the training ground.One supporter tweeted: "Benni McCarthy needs to spend more time with Rashford on finishing… f*** me." Another questioned: "Benni McCarthy, what are you teaching these strikers??"A third joked: "Rashford must wear noise cancelling earphones when Benny McCarthy's running finishing drills." And a fourth added: "My boys just need to work on their finishing, especially Rashford."Would you agree Rashford's finishing isn't good enough? Let us know in the comments section."Rashford's finishing is too subpar for him to be a proper center forward," argued one, while another said: "Rashford is allergic to finishing."Rashford has featured heavily under Ten Hag so far this season with Anthony Martial out injured.