William Gibbons ha affrontato 12 avversari durante tutta la sua carriera.
| Player | Team(s) | Games |
|---|---|---|
| Nick Allen | 1 | |
| Atem Bior | 1 | |
| Tamir Bynum | 1 | |
| Giovanni De Nicolao | 1 | |
| Byron Frohnen | 1 | |
| Adokiye Iyaye | 1 | |
| Jhivvan Jackson | 1 | |
| Christian Plummer | 1 | |
| Adrian Rodriguez | 1 | |
| Mitar Stanojevic | 1 | |
| Toby Van Ry | 1 | |
| Keaton Wallace | 1 |