| concussion grenade | 1.12 | They hurled eggs and detonated concussion grenades. | ||
| concussion bomb | 0.66 | Concussion bombs were set off. | ||
| concussion specialist | 0.33 | Mullen and his parents met with his concussion specialist last Thursday. | ||
| concussion midway | 0.26 | Aikman sat on the bench after suffering the concussion midway through the first quarter. | ||
| concussion symptom | 0.26 | Maggette will not practice until the concussion symptom are gone.. |