This game is a problem

How comes my players are not performing per their attributes why are my players unable to shoulder challenge everytime my players are close to opponents like why do my players move slow why is my my player unable to pass the ball to teammates with high pass accuracy i have spent money continually and I see no improvement in my gameplay when I upgrade my team why my players don't battle in midfield for the ball often my players are not sprinting why my players not performing per their,attributes I seriously am going to quit as long as this continues I will quit