In their second game against Aston Villa, Marsch made several changes to the side that started against Brisbane Roar, handing Leif Davis a chance to prove himself at left back and a first start for summer signing Luis Sinisterra.
The all-Premier League clash turned feisty in the later stages of the game, when Archie Gray suffered what looked to be a horror injury as Villa midfielder John McGinn inflicted a heavy challenge on the youngster.
This week, though, Gray has been back in training, working individually to recover from an affliction that is much lighter than Marsch first feared.
Meanwhile, United skipper Liam Cooper is still working his way back to fitness after suffering an injury to his achilles earlier this summer.
As the Whites gear up to play their final match before flying home to the UK, here is the XI that we think will line up against Palace:
7. CM - Marc Roca
The Spaniard has been having a whale of a time in training, relishing the physical nature of Marsch's game and could reprise his partnership with Adams against Palace. Photo: Matthew Ashton - AMA
8. RW - Luis Sinisterra
Marsch's Colombian winger needs minutes after coming in a little later to pre-season and admitted as much himself. Looked sharper in training on Wednesday. Photo: Matthew Ashton - AMA
9. LW - Jack Harrison
The winger has featured heavily in Marsch's attacking drills, supplying service from the left wing. Despite the transfer noise, expect him to continue to play a key role. Photo: Matthew Ashton - AMA
10. CAM - Brenden Aaronson
Didn't want to come off after 60 minutes against Villa and will be keen to start again. Marsch may consider starting Rodrigo in the central attacker role but Aaronson has looked good in training. Photo: Matthew Ashton - AMA
11. ST - Patrick Bamford
Leeds ramped up his minutes against Villa and could look to tick another box with the Palace game. Gelhardt's slight knock earlier in the tour has left him in need of minutes too, so he will figure too at some stage. Photo: Matthew Ashton - AMA