TEAM FINGERPRINT · COMPARE

San Francisco 49ers 2021 vs Buffalo Bills 2025

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.

SF season2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

BUF 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 San Francisco 49ers 2021 minus Buffalo Bills 2025

Metric	SF	Shift	BUF
Plays	1,193	—	1,194
Pass rate	53.7%	−2.3%	56.0%
Shotgun rate	47.7%	−2.1%	49.7%
Explosive rate	14.8%	−0.5%	15.3%
Success rate	44.8%	−4.1%	48.8%
Personnel groupings
11 personnel	48.1%	−14.2%	62.3%
12 personnel	9.7%	−1.8%	11.5%
21 personnel	34.3%	+25.4%	8.9%
13 personnel	0.0%	−5.3%	5.3%
22 personnel	7.0%	−4.0%	11.0%
Other personnel	0.9%	−0.2%	1.1%

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

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

Buffalo Bills · 2025

Play flows between adjacent stages (source, target, play count)
11 personnel → Shotgun	510
11 personnel → Under Center	227
22 personnel → Under Center	123
12 personnel → Under Center	92
21 personnel → Under Center	83
13 personnel → Under Center	57
12 personnel → Shotgun	43
21 personnel → Shotgun	16
Other → Shotgun	11
22 personnel → Shotgun	8
21 personnel → Pistol	7
11 personnel → Pistol	6
13 personnel → Shotgun	6
Other → Under Center	2
11 personnel → Unknown	1
12 personnel → Pistol	1
12 personnel → Unknown	1
Shotgun → Pass	488
Under Center → Run	413
Under Center → Pass	171
Shotgun → Run	106
Pistol → Pass	10
Pistol → Run	4
Unknown → Run	2
Pass → Failure	338
Run → Failure	273
Pass → Success	210
Run → Success	190
Pass → Explosive	121
Run → Explosive	62