TEAM FINGERPRINT · COMPARE
San Francisco 49ers 2021 vs Chicago Bears 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.
Play-calling ledger · the shift is San Francisco 49ers 2021 minus Chicago Bears 2025
| Metric | SF | Shift | CHI |
|---|---|---|---|
| Plays | 1,193 | — | 1,248 |
| Pass rate | 53.7% | −5.4% | 59.1% |
| Shotgun rate | 47.7% | −3.3% | 51.0% |
| Explosive rate | 14.8% | +0.9% | 13.9% |
| Success rate | 44.8% | −0.6% | 45.4% |
| Personnel groupings | |||
| 11 personnel | 48.1% | −4.9% | 53.0% |
| 12 personnel | 9.7% | −24.6% | 34.3% |
| 21 personnel | 34.3% | +34.3% | 0.0% |
| 13 personnel | 0.0% | −9.6% | 9.6% |
| 22 personnel | 7.0% | +7.0% | 0.0% |
| 01 personnel | 0.0% | −1.8% | 1.8% |
| Other personnel | 0.9% | −0.3% | 1.2% |
Read the ledger, then the flows below: the table is the precise shift; the alluvials are the shape.
San Francisco 49ers · 2021
| 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 |
Chicago Bears · 2025
| 11 personnel → Shotgun | 463 |
|---|---|
| 12 personnel → Under Center | 278 |
| 11 personnel → Under Center | 193 |
| 12 personnel → Shotgun | 132 |
| 13 personnel → Under Center | 101 |
| 12 personnel → Pistol | 18 |
| 13 personnel → Shotgun | 17 |
| 01 personnel → Shotgun | 14 |
| Other → Shotgun | 11 |
| 01 personnel → Under Center | 7 |
| 11 personnel → Pistol | 5 |
| Other → Under Center | 4 |
| 13 personnel → Pistol | 2 |
| 01 personnel → Pistol | 1 |
| Unknown → Pistol | 1 |
| Unknown → Under Center | 1 |
| Shotgun → Pass | 515 |
| Under Center → Run | 373 |
| Under Center → Pass | 211 |
| Shotgun → Run | 122 |
| Pistol → Run | 15 |
| Pistol → Pass | 12 |
| Pass → Failure | 405 |
| Run → Failure | 277 |
| Pass → Success | 213 |
| Run → Success | 179 |
| Pass → Explosive | 120 |
| Run → Explosive | 54 |