Hit the nail on the head ,when they are playing so well you wouldn't drop them regardless who is on the bench and Izquierdo and co will or should realise that
It was a very sensible decision. Murphy was always going to be the hard-working, solid, devensive-minded replacement, the last ten minutes of that game were not suitable for Izquierdo.
Having said that, one would assume out highest-ever signing will have to get a start at some point, wonder...