I don't have that problem. I play two different online dynasties with some friends of mine, i play every game and don't sim. Each year my QB has about 60 TDs to 10 to 12 Ints and thats even been reduced in the current season in both dynasties because i am not misreading the defense as much.
I throw the ball about 20 times a game, and run the ball 20-30.
I use default sliders.