I'd be very tempted to make it no change, draw a line in the sand for the players and inform that that every one of them is on notice and if there is no turnaround, changes will be swift and brutal.
I could certainly find plenty of players who deserve to be dropped this week. Problem is there are just too many of them. Making an example of some but not others might send the wrong message
One game - shape up or be shipped out
failing that approach In: Bate, possibly Petterd Out: Dunn, Morton