You can add Match Events to a match that already has a Team Selection.
Login to your club control panel.
Click Teams on the left-hand menu and click into the team whose fixture you wish to add match events for.
The fixtures & results page for that team should automatically load.
Click the 'Match Centre' button in grey next to the fixture you wish to add statistics to.
Select the Statistics tab.
To add a new event; add a Time, Event Type, and the Player who was involved in the event.
Hit Add when this is complete.
You may edit or remove the event by using the drop down arrow to the side of the event.