TEAM FINGERPRINT · COMPARE
San Francisco 49ers 2021 vs Detroit Lions 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 Detroit Lions 2025
| Metric | SF | Shift | DET |
|---|---|---|---|
| Plays | 1,193 | — | 1,050 |
| Pass rate | 53.7% | −5.7% | 59.4% |
| Shotgun rate | 47.7% | −3.7% | 51.4% |
| Explosive rate | 14.8% | +0.3% | 14.6% |
| Success rate | 44.8% | −0.5% | 45.2% |
| Personnel groupings | |||
| 11 personnel | 48.1% | −14.1% | 62.2% |
| 12 personnel | 9.7% | −15.5% | 25.2% |
| 21 personnel | 34.3% | +30.9% | 3.3% |
| 13 personnel | 0.0% | −5.0% | 5.0% |
| 22 personnel | 7.0% | +7.0% | 0.0% |
| 10 personnel | 0.0% | −1.9% | 1.9% |
| 20 personnel | 0.0% | −2.1% | 2.1% |
| Other personnel | 0.9% | +0.7% | 0.2% |
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 |
Detroit Lions · 2025
| 11 personnel → Shotgun | 443 |
|---|---|
| 12 personnel → Under Center | 213 |
| 11 personnel → Under Center | 209 |
| 12 personnel → Shotgun | 51 |
| 13 personnel → Under Center | 48 |
| 20 personnel → Shotgun | 21 |
| 21 personnel → Under Center | 17 |
| 10 personnel → Under Center | 16 |
| 21 personnel → Shotgun | 16 |
| 10 personnel → Shotgun | 4 |
| 13 personnel → Shotgun | 3 |
| 21 personnel → Other | 2 |
| 11 personnel → Other | 1 |
| 12 personnel → Unknown | 1 |
| 13 personnel → Other | 1 |
| 20 personnel → Other | 1 |
| Other → Shotgun | 1 |
| Other → Under Center | 1 |
| Unknown → Shotgun | 1 |
| Shotgun → Pass | 455 |
| Under Center → Run | 337 |
| Under Center → Pass | 167 |
| Shotgun → Run | 85 |
| Other → Run | 3 |
| Other → Pass | 2 |
| Unknown → Run | 1 |
| Pass → Failure | 322 |
| Run → Failure | 253 |
| Pass → Success | 191 |
| Run → Success | 131 |
| Pass → Explosive | 111 |
| Run → Explosive | 42 |