No new players will be added once the season has started.
All player positions are final.
If you do not select 12 players, your roster is not valid and you will NOT earn points for the week. You may not leave players at a certain position off your roster in order to spend the extra money on other players. All trades go into effect the following Monday. For example, if you trade for a player on Wednesday, you will begin to earn points for that player beginning the following Monday. Yes, all 12 players earn points for you each week.