Manchester United youngster Louis Jackson was an emergency addition to the first team squad for the FA Cup semi-final. A late injury to Willy Kambwala threw Manchester United’s FA Cup semi-final preparations into a tailspin. Casemiro was shifted into central defence, with Scott McTominay rushed into a return in midfield after an injury which had been expected to keep him out for longer. This shuffling of the pack brought teenager Louis Jackson into the matchday squad for the first ever time. READ: Meet Manchester United’s 2023/24 under-18s title winning wonderkids Louis Jackson speaks outLouis…