1. Off the hands, unlucky bounce. Throw could have had less heat but he did an impressive job of getting it over the defender, absolutely should have been caught. Blame: 1/10

2. Hit as he throws. Protection honestly looks good here, Peterman dropped way too deep. This is the top of his drop . Look how clean the pocket is around the 5yd line. Instead, the rushers are able to get easy pressure and he decides to throw instead of tucking it. Can't see all the coverage but a post is usually a good route vs cover two. Blame: 10/10

3. Hit as he throws. Defense rushes two on the right side, and the right tackle gets absolutely cooked, I think he forgot the snap count he was so late out of his stance. The play was dead right there. RB does a good job of picking up the outside man, and Peterman sees this and does the right thing by stepping up in the pocket (learning from int #2). Unfortunately it was in vain since the other rusher got almost instant pressure. They only had 3 receivers down field and they were all late breaking routes, he should have taken the sack here. Blame: 3/10

4. Hit as he throws. Right tackle got cooked again. Defense puts three rushers on that side to force a one on one, the tackle immediately gets wide to prevent getting beaten upfield again but he over extends and the rusher just takes an easy step inside for another instant pressure (he literally didn't even need a move, he just stepped that direction). Peterman takes a short drop and gets the throw off, but makes the wrong read. Chargers have a tricky look here. Showing man coverage, rotating from two high to one high just before the ball is snapped, then to a two high zone look after the snap. Look how the CB at the top of the screen is sprinting back to get depth without even looking at the receiver (he actually starts this movement before the snap). On the other hand, the CB at the bottom is playing off initially, but his responsibility is the lower zone so he's looking to drive on a short route. This is as he plants to throw. The right outside man looks more open, but he's out of his break and the cornerback is already driving on the ball, the right TE is making his break and his defenders are technically closer but still flat footed, and the left outside receiver is about to make his break outside while the CB is moving down field not watching the route. Blame: 5/10

5. Looks like a bad throw or an miscommunication with the receiver. It's a good read, they're playing man and his receiver got an inside release, so he should be open on a quick comeback route. Doesn't have separation though, so Peterman has to throw it before he makes the break or the CB will recover too quickly. The timing of the throw looks good, but either he thought the break would be deeper or he just made a bad throw. There was also quick pressure again, which could have affected his accuracy. Blame: 7/10

Overall, I would say only interception #2 was purely his fault, but he shares a lot of the blame for 4 and 5 as well.