He told reporters: "The reason is the training, the way I see what footballers should do in training, in life. It’s every day, every detail. So if things don’t change, I will not change."
Amorim then suggested he would rather play United's 63-year-old goalkeeping coach Jorge Vital than Rashford unless something changes, adding: "I prefer it like that. I will put (Jorge) Vital on than a player that don’t give the maximum every day. So I will not change in that department."