By Jamie Spencer Manchester United football director John Murtough has hinted that the club is unlikely to be busy in the January transfer window after a busy period of recruitment in the summer. United eventually secured six new first-team arrivals overall, spending over £140m on Casemiro and Antony in the final 10 days of the summer window alone. Former interim manager Ralf Rangnick had previously recommended at least 10 new faces as part of what he considered a necessary ‘open heart operation’ on the squad. But new boss Erik ten Hag has already made progress gelling the players that have co…