11.   Jonsson suffered a severe concussion when Gary Roberts ran him into the glass.

12.   LaFontaine is having a superb season with the Rangers after suffering a severe concussion last season with the Sabres.

13.   Murray suffered a severe concussion, a broken shoulder and four fractured ribs.

14.   Now he thinks he can win again despite recurring neck problems from what turned out to be a severe concussion.

15.   Now he he thinks he can win again despite recurring neck problems from what turned out to be a severe concussion.

16.   Perkins suffered a broken collarbone and a severe concussion that put him in a coma.

17.   Paul Kariya, the Anaheim Mighty Ducks prolific playmaker, still has not returned to the ice after suffering a severe concussion that knocked him out of the Olympics.

18.   The accident left him with a severe concussion.

19.   The hit flattened Marshall, sent his head crashing to the ice and caused a severe concussion.

20.   Tippett, who recently coached the Kings for five games while Murray was recovering from a severe concussion, runs the power play.