1. Go to the Main Teams tab in HoopMetrics
2. Select "View Full Profile"
3. Go to the Roster tab
4. Select the Add button in the top right corner to add a player
5. Confirm your changes by selecting the checkmark in the top right corner, or, select the button in the top left corner to Cancel your changes
6. You can also delete a player by selecting DELETE PLAYER
Step by step: