Martial handed a health check on Saturday morning however was changed at half-time throughout United’s 2-1 win at Outdated Trafford.
The French striker has been suffering from accidents for the reason that begin of the season, and Ten Hag, who’s already wanting choices up entrance, stated he didn’t wish to threat one other spell on the sidelines.
“I hoped to avoid him getting injured but he was complaining,” Ten Hag stated.
“That’s why he also didn’t train in the week and was a question mark [for the derby]. We decided, and he decided as well, to start. He begged to start.
“I knew the beginning could be so vital on this sport and he’s actually good at urgent and he’s a very huge aspect in our urgent. However I wanted to re-evaluate at half-time as you noticed he was not able to going 100% and that is what you want.
“Also to avoid him getting injured so we took him off but it also had a negative impact on our game after half-time.”
Martial is being assessed forward of the journey to Crystal Palace on Wednesday, whereas Marcus Rashford can be being evaluated after reporting a groin drawback on the finish of the primary half in opposition to City.
New mortgage signing Wout Weghorst, who watched the derby from the stands, is out there after coaching at Carrington on Monday and will begin at Selhurst Park if Martial or Rashford is dominated out.
“I have to think about that,” Ten Hag stated. “First settle down after this game, make the right conclusions and then we will make a clear plan for Palace.
“After all I do know rather a lot about Palace, we confronted them additionally in preseason and know the way their workforce is, however the complete plan, I haven’t got now. We are able to assemble the plan and put together the workforce in the fitting method.”
United travel to Palace on a high after their derby victory moved them to within one point of Pep Guardiola’s side.
Ten Hag encouraged his players to celebrate their win over City but urged the squad to re-focus quickly as they look to extend their winning run to 10 games. The last time they achieved a similar run was under Sir Alex Ferguson in 2009.
“I feel each win you must rejoice,” Ten Hag said. “You’re employed so arduous for such momentum and each win is so nice in high soccer and if you cannot rejoice you kill the vitality as properly.
“So we have to celebrate but after we have to settle down after 24 hours and move on to the next game. You have to get in the right rhythm every third day and we have to deliver.
“The gamers must get in the fitting rhythm from a bodily standpoint but in addition mentally — be prepared for the following sport.”