TEAM FINGERPRINT · COMPARE

Los Angeles Chargers 2025 vs San Francisco 49ers 2021

Two offensive identities side by side — any team, any season against any other — the flow of each attack and a play-calling ledger with the shift on every metric.

LAC season2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

SF season2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

AARI ATL BAL BUF CAR CHI CIN CLE DAL DEN DET GB HOU IND JAX KC LA LAC LV MIA MIN NE NO NYG NYJ PHI PIT SEA SF TB TEN WAS

BARI ATL BAL BUF CAR CHI CIN CLE DAL DEN DET GB HOU IND JAX KC LA LAC LV MIA MIN NE NO NYG NYJ PHI PIT SEA SF TB TEN WAS

Play-calling ledger · the shift is Los Angeles Chargers 2025 minus San Francisco 49ers 2021

Metric	LAC	Shift	SF
Plays	1,138	—	1,193
Pass rate	63.7%	+10.0%	53.7%
Shotgun rate	67.1%	+19.4%	47.7%
Explosive rate	11.0%	−3.9%	14.8%
Success rate	43.1%	−1.7%	44.8%
Personnel groupings
11 personnel	57.7%	+9.6%	48.1%
12 personnel	5.5%	−4.2%	9.7%
21 personnel	14.6%	−19.7%	34.3%
13 personnel	1.8%	+1.8%	0.0%
22 personnel	7.0%	+0.1%	7.0%
10 personnel	5.4%	+5.4%	0.0%
01 personnel	1.1%	+1.1%	0.0%
20 personnel	6.8%	+6.8%	0.0%
Other personnel	0.1%	−0.8%	0.9%

Read the ledger, then the flows below: the table is the precise shift; the alluvials are the shape.

Los Angeles Chargers · 2025

Play flows between adjacent stages (source, target, play count)
11 personnel → Shotgun	579
21 personnel → Under Center	116
22 personnel → Under Center	72
11 personnel → Under Center	65
10 personnel → Shotgun	60
20 personnel → Shotgun	40
12 personnel → Shotgun	35
21 personnel → Shotgun	32
20 personnel → Under Center	27
12 personnel → Under Center	26
21 personnel → Pistol	18
13 personnel → Under Center	17
11 personnel → Pistol	13
01 personnel → Shotgun	12
20 personnel → Pistol	10
22 personnel → Pistol	6
13 personnel → Shotgun	4
12 personnel → Pistol	2
22 personnel → Shotgun	2
10 personnel → Under Center	1
Other → Under Center	1
Shotgun → Pass	612
Under Center → Run	222
Shotgun → Run	152
Under Center → Pass	103
Pistol → Run	39
Pistol → Pass	10
Pass → Failure	395
Run → Failure	253
Pass → Success	238
Run → Success	127
Pass → Explosive	92
Run → Explosive	33

San Francisco 49ers · 2021

Play flows between adjacent stages (source, target, play count)
11 personnel → Shotgun	393
21 personnel → Shotgun	142
21 personnel → I_Form	134
21 personnel → Singleback	95
11 personnel → Empty	77
11 personnel → Singleback	75
12 personnel → Singleback	71
22 personnel → I_Form	53
12 personnel → Shotgun	27
21 personnel → Empty	22
11 personnel → I_Form	17
22 personnel → Singleback	14
21 personnel → Pistol	13
12 personnel → Empty	11
11 personnel → Pistol	7
22 personnel → Empty	5
22 personnel → Shotgun	5
Other → Other	5
22 personnel → Other	4
11 personnel → Unknown	3
12 personnel → I_Form	3
12 personnel → Pistol	3
11 personnel → Other	2
21 personnel → Unknown	2
Other → Empty	2
Other → Shotgun	2
12 personnel → Unknown	1
21 personnel → Other	1
22 personnel → Pistol	1
22 personnel → Unknown	1
Other → I_Form	1
Other → Singleback	1
Shotgun → Pass	397
Singleback → Run	174
I_Form → Run	173
Shotgun → Run	172
Empty → Pass	109
Singleback → Pass	82
I_Form → Pass	35
Pistol → Run	14
Other → Run	10
Pistol → Pass	10
Empty → Run	8
Unknown → Pass	6
Other → Pass	2
Unknown → Run	1
Pass → Failure	339
Run → Failure	320
Pass → Success	183
Run → Success	174
Pass → Explosive	119
Run → Explosive	58