You may play ball!
You may sign your FB to your roster.
You may sign FAs of 69 ovr or less. (only to default salary and bonus)
You may bid on players 70 ovr and above. (Read the rules)
You may not sign players to more than 3 year contracts
You may find a sub or play vs the PC in preseason if your opponent has no human owner
You most certainly SHOULD leave your analysis of gameplay in this form after each preseason game.
You may NOT edit players
You may NOT fire/sign coaching staffs if you have already done so once. This is only allowed once per season.