...dragging a weak O to victory as long as they didn't turn the ball over.  The QBs were clearly instructed to play it very safe last year.  Nearly every long throw that didn't connect was thrown on the long side, a pretty good sign of playing it very safe.  

On top of that, Trevor was clearly hurt worse than reported for much of the season.

Now, does all that mean Trevor will be great this season?  No, I don't expect that.  But there is good reason to anticipate significant improvement in production this season.