To roster your player to an event, follow the steps below.
Step 1: Log into your athlete one team account - Click Here
Step 2: Select 'My Account' from the left hand navigation > select 'Team Account' > select your team

Step 3: Click on 'Tournaments/Leagues' in the left-hand menu >select the event you're attending

Step 4: On the event details page, click 'Build Your Event Roster'.

Step 5: Go to the 'Players' tab.

Step 6: A fly-out menu will display a list of club players. Check the box next to each player you’d like to roster, then click 'Save' at the bottom of the list.
Note: Jersey number is REQUIRED in order to roster players to an event.
