Rewatching the last drive here...
1st and 10 from 20 - Designed swing pass to Chubb gains 4. Not a terrible 1st down play. Chubb slipped and fell backwards as he was trying to make the second defender miss.
2nd and 6 from the 24 - Play clock down to 8. Shotgun run right with Bitonio pulling. Need to see it on the all-22 to be certain, but it looks like Chubb missed a big hole up the middle on a cutback instead opting to take it wide. Teller appears to have been responsible for the LB on the 2nd level, but never got to him. No gain.
3rd and 6 from the 24 - Play clock down to 15. Baker hits Higgins on the Edelman route (I'm sure there's a name for this, but it's a fake shallow cross invert cut into an out. Higgins makes the first guy miss, but it tackled inches short of the marker.
4th and inches from the 29 - Play clock down to 5. Baker sneaks for 2.
Ok so at this point they've gained 11 yards in 2:20 which isn't ideal, but they have a fresh set of downs.
Here's where it gets weird. The Browns break the huddle with 14 seconds left and are fully lined up with 10 on the play clock, which is plenty of time for Baker to check into another look if he doesn't like it. But oddly Baker doesn't like the look essentially just gives up on the play entirely to call timeout with like 8 on the clock.
I have no idea what the issue was, but rewatching it, it seemed like Baker had more than enough time to call an audible and just opted to go with the timeout immediately.
1st and 10 from the 31 - Shotgun run right. The Chiefs blitz, but this appears to be blocked really well by everyone except Bitonio. He tried to cut Chris Jones and Jones immediately just dumped him on his face. Even with that great play by Jones, Chubb still ran by him and it took a tremendous effort for Jones to grab Chubb by the jersey to slow him down. This was definitely going to be a 4-5 yard gain that turned into a -1 yard gain on a great play by an all-pro.
2nd and 11 from the 30 - Chiefs blitz again and the Browns have a screen to Chubb dialed up to the left. Unfortunately, the Chiefs defend this perfectly. Hance peels off DE Clark to pick up S Sorenson and Clark, rather than continuing to pursue Baker, drops backwards right into Chubb's path. If Clark doesn't do that, it's gonna be a big gain as Chubb had all the blockers in front. Baker had no choice but to spike it at Chubb's feet. Just another really good play by a pro bowler.
3rd and 11 from the 30 - Chiefs have 7 guys (9 including both corners) on the LOS at the snap. They drop all of them and only rush 4. Baker feels Hance getting beat on the outside and tries to step up in the pocket, but Teller is getting beat worse right up the middle. Baker is whacked right by Jones right he dumps it off to Hunt. There was basically no chance of Baker escaping this pocket on 2nd glance. What I do want to see on the all-22 is if Baker missed Hooper in the left seam or not. It looks like may have, but there may be a safety rotating over that we can't see.
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Hard to be overly pissed about these plays though. If Clark doesn't get his hand on the back of Chubb's jersey on 1st down, it's 2nd and 5 instead of 2nd and 11 and everything changes. It took tremendously good plays by two really good players on three consecutive plays and unfortunately the Chiefs got them.