If you would like to change a player profile photo, first make sure you have claimed the player profile you are trying to change. Next, click the icon at the top right corner of the UTR page, it is the UTR ball logo. Click 'Profile' on the side tab that appears, this is the main menu. It should look similar to the photo below.
Next, hover over the icon next to 'Edit Profile', then click the icon. You will then see a pop up prompting you to upload a photo from your computer documents.
Once you select the photo you want and upload, you can then resize it using the size slider. Center your photo to ensure it properly displays your image. Then click 'Save' to complete uploading the photo to the player profile.
Now you will see the photo on the player profile, as in the blow shown picture.