No. You cannot make changes in your team once the trading for the day is initiated at 9 AM. The team can be edited before 9 AM. Please check the below mentioned calendar for the daily game.
Day Time of Registration for the Game
Tuesday Monday 3:30:01 PM to Tuesday 8:59:59 AM
Wednesday Tuesday 3:30:01 PM to Wednesday 8:59:59 AM
Thursday Wednesday 3:30:01 PM to Thursday 8:59:59 AM
Friday Thursday 3:30:01 PM to Friday 8:59:59 AM
Monday Friday 3:30:01 PM to Monday 8:59:59 AM