The French forward was substituted at the interval, although many observers expected Marcus Rashford to make way after appearing to hurt his hip. Antony entered the fray and Rashford soldiered on to notch the winner, following an assist by another of Erik's introductions, Alejandro Garnacho.
It would suggest Martial is a doubt for Wednesday's trip to Crystal Palace, and we must hope Rashford is fit for the Selhurst Park clash, although Wout Weghorst has completed his loan move from Burnley and is available to increase our attacking options.
"I hope to avoid that he [Martial] was getting injured [by bringing him off]," said Ten Hag.