The Bad-First 3rd down he had some time, stared down his first read, LB read his eyes jumped the throwing lane, Jacoby waited until wr cleared the LB, wr was covered well, and Jacoby threw it too low, jut to the left of the LB that he led to the route. He had 3, yes 3, better options on that play. Everything you want to do wrong as a QB on third and 3 he did, killed the series. He also could have run for the first.
-On the Pick, defense totally fooled him, they overloaded the right side of line with a fake blitz, so Jacoby moved the RB from his left to right, leaving Jacobs on Bosa with no help. They rush 4, no overload, people drop out. Jacoby stares down TT on the deep in-cut, LB reads it, again, and Jacoby never sees him, and throws the pick as Bosa bears down. Polk is open with no one within 10 yards of him middle to right for a catch and run probably a 30 yard play, DD is similarly wide open. Again, can't be worse QB play. He killed 2 series that would probably been red zone series, possibly touchdowns and end up with a pick 6 and zero points so far. I won't go thru every horrible play but highlight one or 2 others. On the drive they turned over on downs, He took a sack on a scramble to the 30, he had time to throw, had Boutte wide open as first read for first down, stared at him, did not throw, rolled out and sacked. They are, worst case, first and 10 at the 15, maybe first and goal with YAC, another possible TD drive ends on downs. His pocket movement was bad, his feel for pressure, bad. 1/2 the 6 sacks he could have avoided.
Even the last play where Bosa strip sacked and caused a fumble. Yes, Bosa beat Jacobs, got to JB. JB never felt the pressure, never moved up in the pocket, how many times in pre-season and college did we see Maye feel the pressure move up and make a throw. I'm not even counting this as a sack Jacoby could avoid but he has Polk for a TD if he steps into the pocket and gets some separation from Bosa who only hits his arm on the ****ing of the arm. Good Qb's feel the pressure, step up and make the throw. I'm not counting this one but that's a 4th TD drive a good QB reasonably has in this game.