2018 Pac-12 Conference Leaders Passes Defended - Games in October Only through 01/07/2019
| Name | Team | Yr | Pos | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Deommodore Lenoir | Oregon | SO | CB | 3 | 3 | 3 | 6 | 2.00 |
| 2 | Cody Barton | Utah | SR | LB | 4 | 1 | 4 | 5 | 1.25 |
| 2 | Ben Burr-Kirven | Washington | SR | LB | 4 | 1 | 4 | 5 | 1.25 |
| 2 | Demetrius Flannigan-Fowles | Arizona | SR | S | 4 | 0 | 5 | 5 | 1.25 |
| 2 | Javelin K. Guidry | Utah | SO | DB | 4 | 0 | 5 | 5 | 1.25 |
| 6 | Scottie Young Jr. | Arizona | SO | S | 4 | 3 | 1 | 4 | 1.00 |
| 6 | Colin Schooler | Arizona | SO | LB | 4 | 2 | 2 | 4 | 1.00 |
| 6 | Camryn Bynum | California | SO | CB | 4 | 2 | 2 | 4 | 1.00 |
| 6 | Elijah Gates | UCLA | FR | DB | 4 | 1 | 3 | 4 | 1.00 |
| 6 | Keisean Lucier-South | UCLA | JR | LB | 4 | 1 | 3 | 4 | 1.00 |
| 6 | Chase Hansen | Utah | SR | LB | 4 | 1 | 3 | 4 | 1.00 |
| 6 | Paulson Adebo | Stanford | SO | CB | 3 | 1 | 2 | 3 | 1.00 |
| 6 | Kobe Williams | Ariz St | JR | DB | 3 | 0 | 3 | 3 | 1.00 |
| 6 | Jalen Thompson | Wash St | JR | S | 3 | 0 | 3 | 3 | 1.00 |
| 6 | Peyton Pelluer | Wash St | SR | LB | 3 | 0 | 3 | 3 | 1.00 |
| 16 | Krys Barnes | UCLA | JR | LB | 4 | 1 | 2 | 3 | 0.75 |
| 16 | Taylor Rapp | Washington | JR | DB | 4 | 1 | 2 | 3 | 0.75 |
| 16 | Corrion Ballard | Utah | SR | DB | 4 | 0 | 3 | 3 | 0.75 |
| 19 | Thomas Graham Jr. | Oregon | SO | CB | 3 | 1 | 1 | 2 | 0.67 |
| 19 | Ajene Harris | USC | SR | CB | 3 | 1 | 1 | 2 | 0.67 |
| 19 | Aashari Crosswell | Ariz St | FR | S | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Renell Wren | Ariz St | SR | DL | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Lorenzo Burns | Arizona | SO | CB | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Jaydon Grant | Oregon St | FR | CB | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Shemar Smith | Oregon St | JR | LB | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Justin Hollins | Oregon | SR | OLB | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Jevon Holland | Oregon | FR | S | 3 | 0 | 2 | 2 | 0.67 |
| 19 | La'Mar Winston Jr. | Oregon | JR | OLB | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Talanoa Hufanga | USC | FR | S | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Darrien Molton | Wash St | SR | CB | 3 | 0 | 2 | 2 | 0.67 |
| 19 | Marcus Strong | Wash St | JR | CB | 3 | 0 | 2 | 2 | 0.67 |
| 32 | Quentin Lake | UCLA | SO | DB | 4 | 2 | 0 | 2 | 0.50 |
| 32 | Jaylon Johnson | Utah | SO | DB | 4 | 2 | 0 | 2 | 0.50 |
| 32 | Evan Weaver | California | JR | ILB | 4 | 1 | 1 | 2 | 0.50 |
| 32 | Adarius Pickett | UCLA | SR | DB | 4 | 1 | 1 | 2 | 0.50 |
| 32 | Evan Worthington | Colorado | SR | DB | 4 | 1 | 1 | 2 | 0.50 |
| 32 | Hauati Pututau | Utah | SO | DT | 4 | 1 | 1 | 2 | 0.50 |
| 32 | Ashtyn Davis | California | JR | S | 4 | 0 | 2 | 2 | 0.50 |
| 32 | Jordan Kunaszyk | California | SR | ILB | 4 | 0 | 2 | 2 | 0.50 |
| 32 | Darnay Holmes | UCLA | SO | DB | 4 | 0 | 2 | 2 | 0.50 |
| 32 | Davion Taylor | Colorado | JR | OLB | 4 | 0 | 2 | 2 | 0.50 |
| 32 | Terrell Burgess | Utah | JR | DB | 4 | 0 | 2 | 2 | 0.50 |
| 32 | Byron Murphy | Washington | SO | DB | 4 | 0 | 2 | 2 | 0.50 |
| 32 | Elijah Molden | Washington | SO | DB | 4 | 0 | 2 | 2 | 0.50 |
| 32 | Keith Taylor | Washington | SO | DB | 4 | 0 | 2 | 2 | 0.50 |
| 46 | Sean Barton | Stanford | SR | ILB | 3 | 1 | 0 | 1 | 0.33 |
| 46 | Chase Lucas | Ariz St | SO | DB | 3 | 0 | 1 | 1 | 0.33 |
| 46 | Tyler Johnson | Ariz St | FR | DL | 3 | 0 | 1 | 1 | 0.33 |
| 46 | Delrick Abrams Jr. | Colorado | JR | DB | 3 | 0 | 1 | 1 | 0.33 |
| 46 | Trey Udoffia | Colorado | SO | DB | 3 | 0 | 1 | 1 | 0.33 |
Note: To qualify, player must have played in 75% of his team's games.