Run blocking but have they been as effective with pass protection?
Most of those have been coverage sacks, or missed blitzes. My guess is that it's a combination of receivers not getting separation fast enough with Rourke taking too long to get through his reads. The more Rourke plays, the more he becomes familiar with the offense, and with the receivers, and the faster he will get with those reads.
There is still plenty of room for improvement, but one area where they are doing great is that the offensive line is wearing down opponents, and the run game has been getting more and more effective later and later in games.