Between the 2010 and 2019 seasons, Aldon Smith had the most sacks by a rookie, with 14 sacks in 2011.
Interpreted as:
rookie league leaders in defensive sacks last decade| NAME | SCK | SEASON | TM | GP | TKL | AST | COMB | SCKY | INT | INT YDS | INT TD | FF | FR | FR TD | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | A. Smith | 14.0 | 2011 |  SF | 16 | 31 | 6 | 37 | 104.5 | 0 | 0 | 0 | 2 | 1 | 0 |
| 2 | | B. Chubb | 12.0 | 2018 |  DEN | 16 | 41 | 19 | 60 | 83 | 0 | 0 | 0 | 2 | 1 | 0 |
| 3 |  | V. Miller | 11.5 | 2011 | DEN | 15 | 50 | 14 | 64 | 77 | 0 | 0 | 0 | 2 | 0 | 0 |
| 4 | | J. Hines-Allen | 10.5 | 2019 |  JAX | 16 | 31 | 13 | 44 | 74 | 0 | 0 | 0 | 2 | 0 | 0 |
| 5 | | J. Bosa | 10.5 | 2016 |  SD | 12 | 29 | 12 | 41 | 71.5 | 0 | 0 | 0 | 1 | 0 | 0 |
| 6 |  | M. Crosby | 10.0 | 2019 |  OAK | 16 | 36 | 11 | 47 | 69.5 | 0 | 0 | 0 | 4 | 0 | 0 |
| 7 |  | N. Suh | 10.0 | 2010 |  DET | 16 | 49 | 17 | 66 | 47.5 | 1 | 20 | 0 | 1 | 1 | 1 |
| 8 | | C. Dunlap | 9.5 | 2010 |  CIN | 12 | 19 | 5 | 24 | 77.5 | 0 | 0 | 0 | 0 | 1 | 0 |
| 9 |  | N. Bosa | 9.0 | 2019 | SF | 16 | 32 | 15 | 47 | 77 | 1 | 46 | 0 | 1 | 2 | 0 |
| 10 |  | A. Donald | 9.0 | 2014 |  STL | 16 | 38 | 10 | 48 | 68 | 0 | 0 | 0 | 2 | 0 | 0 |
| 11 | | C. Lawson | 8.5 | 2017 | CIN | 16 | 10 | 6 | 16 | 57 | 0 | 0 | 0 | 0 | 0 | 0 |
| 12 | | J. Sheard | 8.5 | 2011 |  CLE | 16 | 40 | 15 | 55 | 73.5 | 0 | 0 | 0 | 5 | 1 | 0 |
| 13 | | Y. Ngakoue | 8.0 | 2016 | JAX | 16 | 20 | 3 | 23 | 45 | 1 | 9 | 0 | 4 | 0 | 0 |
| 14 | | P. Smith | 8.0 | 2015 |  WAS | 16 | 24 | 11 | 35 | 77 | 0 | 0 | 0 | 3 | 1 | 0 |
| 15 |  | E. Ansah | 8.0 | 2013 | DET | 14 | 19 | 13 | 32 | 72 | 0 | 0 | 0 | 2 | 0 | 0 |
| 16 | | B. Irvin | 8.0 | 2012 |  SEA | 16 | 10 | 6 | 16 | 60 | 0 | 0 | 0 | 1 | 1 | 0 |
| 17 | | B. Burns | 7.5 | 2019 |  CAR | 16 | 19 | 6 | 25 | 34 | 0 | 0 | 0 | 1 | 1 | 1 |
| 18 | | A. Clayborn | 7.5 | 2011 |  TB | 16 | 29 | 13 | 42 | 43.5 | 0 | 0 | 0 | 3 | 0 | 0 |
| 19 | | R. Kerrigan | 7.5 | 2011 | WAS | 16 | 42 | 22 | 64 | 55.5 | 1 | 9 | 1 | 4 | 0 | 0 |
| 20 | | M. Sweat | 7.0 | 2019 | WAS | 16 | 31 | 19 | 50 | 37 | 0 | 0 | 0 | 2 | 0 | 0 |
| 21 | | S. Leonard | 7.0 | 2018 |  IND | 15 | 107 | 47 | 154 | 48 | 2 | 38 | 0 | 3 | 2 | 0 |
| 22 |  | T.J. Watt | 7.0 | 2017 |  PIT | 15 | 40 | 14 | 54 | 36 | 1 | 17 | 0 | 1 | 0 | 0 |
| 23 |  | M. Garrett | 7.0 | 2017 | CLE | 11 | 19 | 12 | 31 | 44 | 0 | 0 | 0 | 1 | 1 | 0 |
| 24 | | L. Floyd | 7.0 | 2016 |  CHI | 12 | 23 | 10 | 33 | 49.5 | 0 | 0 | 0 | 1 | 1 | 1 |
| 25 | | S. Acho | 7.0 | 2011 |  ARI | 16 | 36 | 6 | 42 | 50 | 0 | 0 | 0 | 4 | 1 | 0 |
StatMuse has season-level data for sacks going back to the 1982 season.
More 49ers Stats
Team Rankings
PPG
19.7
23rd
OPP PPG
16.3
3rd
RUSH YDS/G
89.7
26th
PASS YDS/G
280.0
3rd
ATL 
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NFL 2025 Division Standings
| NFC East | W | L | T | PCT |
|---|---|---|---|---|
 Eagles | 3 | 0 | 0 | 1.000 |
 Commanders | 2 | 1 | 0 | .667 |
| NFC North | W | L | T | PCT |
 Packers | 2 | 1 | 0 | .667 |
 Vikings | 2 | 1 | 0 | .667 |
| NFC South | W | L | T | PCT |
| Buccaneers | 3 | 0 | 0 | 1.000 |
| Panthers | 1 | 2 | 0 | .333 |
| NFC West | W | L | T | PCT |
| 49ers | 3 | 0 | 0 | 1.000 |
 Rams | 2 | 1 | 0 | .667 |
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