Getting out of bounds. Getting down.

His biggest problem IMO is still trying to make too much happen in the pocket/passing. He stands around for too long, or rolls out for too long.

It's a problem a lot of young QBs have and I fully expect it to get better.

Edit: most of the worst hits he took last year were rolling out too long, or holding the ball too long. And the original injury was diving for a first down on like 4th and 20 to keep a game alive which they eventually won over the SB winning team.

In other words, this shit got way overblown.

Edit II:

I still don't give Shanahan a pass for keeping him in the Seattle game. It was obvious Cousins would've been more effective, and playing injured led to another injury for Bob. That's on the coach.