Season with updating roster?

Don't know if this was asked before, I wanted to know whether it's possible to start a season (MyLeague) and have the roster updated as the season go along.
Thanx.

No. Your MyLeague will start off with the roster that you chose to use.

You can of course choose to control all 30 teams and make transactions for the entire league, but you are locked to the players that are in the roster when you started the MyLEAGUE game. So, if a player is added in the latest official roster, or you create them manually, you can't add them to a MyLEAGUE game in progress. On the other hand, if you're controlling all 30 teams and a trade goes down in real life, you could replicate it.

yeh this is the worst thing about the game in my opinion. Especially big minute guys like shawne Williams, Sebastian telfair, potapenko on Houston etc

Would you give up options like trading, signing, waiving, ... ?