Brett Favre estimates he suffered 'thousands' of concussions
Report: Brett Favre backed concussion drug companies that
Brett Favre believes he suffered thousands of concussions in the
Indianapolis Colts QB Philip Rivers retires from NFL after 17
US quarterback Brett Favre 'suffers memory loss' - BBC News
Brett Favre to Matt Lauer: I'd be 'leery' of a son playing football
Sports Archives, Page 6 of 12
NFL Legend Brett Favre Says He's Likely Had 'Thousands' of Concussions
Brett Favre Opens Up About Concussions And Football On Megyn Kelly
Brett Favre fears he has been affected by concussions – Twin Cities
Cheat Sheet: Brett Favre's concussion comments; FDA wants new
Brett Favre opens up about the effects of concussions
Brett Favre Estimates How Many Concussions He Suffered During NFL