Open the Main Menu, click "Roster" under Organization.
Find the Roster in which you want to inactivate players and click on Load Roster.
Click on a player's name to inactivate.
Click on the box labeled "Player is Inactive".
Click on "Save" button.
An inactive player is grayed out and has strike-through lines as shown below.
Note: Inactive players do not count towards your subscription limit. If you have 70 players with 3 inactive, only 67 players count toward your subscription limit