49ers rookie report card; Hufanga continues to impress

The preseason grading period has come to a close for the 49ers’ draft picks. There were a few nice improvements this week along with a few who took a step back. Let’s take a look at how the rookies performed against the Raiders on Sunday. Trey Lance: Grade C (week 1 grade, B-, week 2 grade, B-) Against the Raiders, Lance completed less than half of his pass attempts…