Plays better when he is not one of the best 3 players on the team (on star value). Worse if he is.

The player gets +0.05 on all trainable attributes per 2 players with the same nationality in their team on the field; -0.2 if there are fewer than 2.

Player commits fewer fouls and gets fewer yellow or red cards

Player gets a defensive bonus when another player tries to steal the ball from him.