Help I need help for training players more efficiently

[Watchhands]

For some reason the player i want to train trains with other coaches that exists in my staff group. As for example i want to train greenwood but he trains with this longstaff guy and i can only train cavani even though i don't want to train him. Can someone explain why this happened? Also how does this coaching style works like what is attacking coach,youth, defend,fitness all that shit.

[Rhewi]

Im not sure there is a way to control what players have a relationship with certain coaches. For training you can just go into the training section and train the player on what role and attribute you want.

As for coaching styles, whatever the style is of the coach will give your team a small bonus in that area.