If you no longer want to follow a player or incorrectly picked the wrong player to follow, you can use the below steps to stop following.
Open the app
Open the on the 'stats' option at the bottom of the screen
Select the 'following' tab to see who you might already be following.
On this screen you can unfollow a player by clicking on the 'tick' icon.
Tip: If you follow many players, you might find the search function a quicker way to find the player you want to unfollowing.
If you have done this correctly, you should see that 'tick' sign change back to a '+'. This means it is ready to be refollowed if you choose to in the future.