Jason O'Brien has faced 11 opponents throughout his career
| Player | Team(s) | Games |
|---|---|---|
| Yannick Atanga |
Santa Clara Broncos
(NCAA)
|
1 |
| Jerry Brown |
Santa Clara Broncos
(NCAA)
|
1 |
| Jared Brownridge |
Santa Clara Broncos
(NCAA)
|
1 |
| Brandon Clark |
Santa Clara Broncos
(NCAA)
|
1 |
| Julian Clarke |
Santa Clara Broncos
(NCAA)
|
1 |
| Robert Garrett |
Santa Clara Broncos
(NCAA)
|
1 |
| Denzel Johnson |
Santa Clara Broncos
(NCAA)
|
1 |
| Nate Kratch |
Santa Clara Broncos
(NCAA)
|
1 |
| John McArthur |
Santa Clara Broncos
(NCAA)
|
1 |
| Andrew Papenfus |
Santa Clara Broncos
(NCAA)
|
1 |
| Jalen Richard |
Santa Clara Broncos
(NCAA)
|
1 |