How do you upgrade your players from 92 to 96/98/100?

Go to the main home screen then click on the tab on top left of screen then click on upgrades then click on the player evolution tab. Click on the player to want and add the required cards.Go to the main home screen then click on the tab on top left of screen then click on upgrades then click on the player evolution tab. Click on the player to want and add the required cards.