One of the best ways to bring a cover-0 blitz is in a situation where the offense isn’t expecting it. Few have been better at mixing in cover-0 blitzes at unexpected times than Steve Spagnuolo (surprise, surprise).
This one came against the Chargers on a 2nd-and-7 from L.A.’s own 29-yard line, which is an area of the field and a situation where you rarely see it.
First notice the Chiefs’ alignment against L.A.’s shotgun 1-back set. There are no hints that a cover-0 blitz is coming here:
There were two clues that the Chiefs might be bringing some kind of pressure, however. Linebacker Nick Bolton (#32) was hovering near the line of scrimmage. And to the offense’s right, the safety was stacked over cornerback Trent McDuffie (#22):