Nick Mullens has the most career interceptions per hundred attempts by an active quarterback, with 3.9 per hundred.
Interpreted as:
worst career int% with a minimum of 750 passing attempts active players| NAME | INT% | ATT | GP | CMP | PCT | YDS | AVG | YDS/G | TD | INT | RTG | TD% | SCK | SCKY | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | N. Mullens | 3.9 | 805 | 34 | 530 | 65.8 | 6,429 | 8.0 | 189.1 | 34 | 31 | 88.3 | 4.2 | 48 | 371 |
| 2 |  | J. Winston | 3.5 | 3,177 | 105 | 1,944 | 61.2 | 24,225 | 7.6 | 230.7 | 154 | 111 | 86.4 | 4.8 | 219 | 1,372 |
| 3 |  | D. Lock | 2.9 | 970 | 37 | 578 | 59.6 | 6,369 | 6.6 | 172.1 | 34 | 28 | 78.8 | 3.5 | 51 | 315 |
| 4 |  | G. Smith | 2.9 | 2,818 | 99 | 1,827 | 64.8 | 20,319 | 7.2 | 205.2 | 111 | 81 | 87.3 | 3.9 | 238 | 1,718 |
| 5 |  | S. Darnold | 2.9 | 2,490 | 88 | 1,541 | 61.9 | 17,629 | 7.1 | 200.3 | 107 | 71 | 85.6 | 4.3 | 203 | 1,341 |
| 6 |  | B. Purdy | 2.7 | 1,142 | 42 | 770 | 67.4 | 10,104 | 8.8 | 240.6 | 68 | 31 | 103.7 | 6.0 | 72 | 408 |
| 7 |  | J. Garoppolo | 2.7 | 1,936 | 83 | 1,304 | 67.4 | 15,828 | 8.2 | 190.7 | 96 | 52 | 97.6 | 5.0 | 140 | 936 |
| 8 |  | A. Dalton | 2.7 | 5,620 | 177 | 3,519 | 62.6 | 39,558 | 7.0 | 223.5 | 254 | 150 | 87.5 | 4.5 | 355 | 2,318 |
| 9 |  | T. Siemian | 2.6 | 1,208 | 41 | 707 | 58.5 | 7,751 | 6.4 | 189.0 | 44 | 32 | 78.7 | 3.6 | 85 | 542 |
| 10 |  | M. Jones | 2.6 | 1,699 | 55 | 1,121 | 66.0 | 11,495 | 6.8 | 209.0 | 60 | 45 | 86.0 | 3.5 | 103 | 722 |
| 11 |  | D. Mills | 2.6 | 952 | 39 | 595 | 62.5 | 6,189 | 6.5 | 158.7 | 35 | 25 | 82.6 | 3.7 | 66 | 481 |
| 12 |  | B. Mayfield | 2.6 | 3,567 | 111 | 2,269 | 63.6 | 26,115 | 7.3 | 235.3 | 181 | 91 | 91.9 | 5.1 | 259 | 1,652 |
| 13 |  | M. Mariota | 2.5 | 2,210 | 95 | 1,392 | 63.0 | 16,547 | 7.5 | 174.2 | 100 | 56 | 90.3 | 4.5 | 192 | 1,244 |
| 14 |  | J. Fields | 2.5 | 1,225 | 54 | 755 | 61.6 | 8,534 | 7.0 | 158.0 | 49 | 31 | 85.3 | 4.0 | 161 | 1,125 |
| 15 |  | M. Trubisky | 2.5 | 1,900 | 79 | 1,220 | 64.2 | 12,747 | 6.7 | 161.4 | 74 | 48 | 86.0 | 3.9 | 129 | 808 |
| 16 |  | Z. Wilson | 2.5 | 1,001 | 35 | 571 | 57.0 | 6,325 | 6.3 | 180.7 | 23 | 25 | 73.2 | 2.3 | 113 | 875 |
| 17 |  | J. Flacco | 2.4 | 6,911 | 200 | 4,259 | 61.6 | 46,512 | 6.7 | 232.6 | 259 | 168 | 83.8 | 3.7 | 413 | 2,936 |
| 18 |  | T. Lawrence | 2.3 | 2,203 | 65 | 1,390 | 63.1 | 14,881 | 6.8 | 228.9 | 75 | 51 | 84.5 | 3.4 | 118 | 824 |
| 19 |  | C. Keenum | 2.3 | 2,233 | 80 | 1,392 | 62.3 | 15,175 | 6.8 | 189.7 | 79 | 51 | 84.6 | 3.5 | 131 | 989 |
| 20 |  | M. Stafford | 2.3 | 8,349 | 227 | 5,296 | 63.4 | 61,312 | 7.3 | 270.1 | 388 | 190 | 91.6 | 4.6 | 511 | 3,420 |
| 21 |  | J. Allen | 2.3 | 3,780 | 116 | 2,403 | 63.6 | 27,651 | 7.3 | 238.4 | 204 | 86 | 94.0 | 5.4 | 197 | 1,192 |
| 22 |  | T. Bridgewater | 2.3 | 2,067 | 80 | 1,372 | 66.4 | 15,120 | 7.3 | 189.0 | 75 | 47 | 90.5 | 3.6 | 166 | 1,114 |
| 23 |  | K. Cousins | 2.2 | 5,637 | 165 | 3,773 | 66.9 | 43,008 | 7.6 | 260.7 | 288 | 126 | 97.4 | 5.1 | 332 | 2,408 |
| 24 |  | T. Tagovailoa | 2.2 | 2,187 | 69 | 1,493 | 68.3 | 16,514 | 7.6 | 239.3 | 110 | 48 | 98.1 | 5.0 | 122 | 834 |
| 25 |  | J. Love | 2.2 | 1,208 | 46 | 774 | 64.1 | 9,154 | 7.6 | 199.0 | 68 | 26 | 96.8 | 5.6 | 55 | 429 |
StatMuse has season-level data for interceptions per hundred attempts and passing attempts going back to the 1932 season.
More 49ers Stats
Team Rankings
PPG
21.2
22nd
OPP PPG
19.6
6th
RUSH YDS/G
85.2
28th
PASS YDS/G
298.2
2nd
Rams 
Cardinals 
HOU 
NYG 
NFL 2025 Leaders
NFL 2025 Rankings
NFL Fantasy 2025
NFL 2025 Betting
NFL 2025 Division Standings
| NFC East | W | L | T | PCT |
|---|---|---|---|---|
 Eagles | 4 | 2 | 0 | .667 |
 Commanders | 3 | 2 | 0 | .600 |
| NFC North | W | L | T | PCT |
 Lions | 4 | 1 | 0 | .800 |
 Packers | 2 | 1 | 1 | .625 |
| NFC South | W | L | T | PCT |
 Buccaneers | 4 | 1 | 0 | .800 |
 Falcons | 2 | 2 | 0 | .500 |
| NFC West | W | L | T | PCT |
 49ers | 4 | 1 | 0 | .800 |
 Seahawks | 3 | 2 | 0 | .600 |
Bills 
Patriots 
Steelers 
Bengals 
Colts 
Jaguars 
Chargers 
Broncos 
DAL 
KC 
NYJ 
LV 
BAL 
CLE 
