1.   Aikman received a concussion eight days earlier at Indianapolis, although he returned after one series and finished the game.

2.   Brown received a concussion that eventually forced him to miss most of the second half.

3.   He is wary of receiving another concussion with his sometimes reckless style of play.

4.   Is the Dallas Cowboys quarterback Troy Aikman considering retiring if he receives another concussion?

5.   Knowing the whole city of Philadelphia revolves around his play, Lindros showed enough common sense last week to sit out a couple of games after receiving a concussion.

6.   Athletes who receive repeated concussions can develop cognitive deficits.

7.   Charles Jordan, a starting receiver on Sunday, pulled his left hamstring and rookie special teams player and reserve fullback Dustin Johnson received a concussion.

8.   Doctors finally convinced him there was a chance of permanent vision impairment or brain damage if he received more concussions.

9.   Glebov suffered heavy injuries to the head, and his wife received a concussion.

10.   Stefan, who did not receive a concussion, was hurt very early on and did not return for precautionary reasons.