Johannes Magnusson ha affrontato 11 avversari durante tutta la sua carriera.
| Player | Team(s) | Games |
|---|---|---|
| Bergur Astradsson |
Valur
(ISL-1)
|
1 |
| Benedikt Blondal |
Valur
(ISL-1)
|
1 |
| Agust Dearborn |
Valur
(ISL-1)
|
1 |
| Hamid Dicko |
Valur
(ISL-1)
|
1 |
| Alexander Dungal |
Valur
(ISL-1)
|
1 |
| Ragnar Gylfason |
Valur
(ISL-1)
|
1 |
| Marvin Jackson |
Valur
(ISL-1)
|
1 |
| Kristinn Olafsson |
Valur
(ISL-1)
|
1 |
| Birgir Petursson |
Valur
(ISL-1)
|
1 |
| Sigurdur Sigurgeirsson |
Valur
(ISL-1)
|
1 |
| Hlynur Vikingsson |
Valur
(ISL-1)
|
1 |