Sept. 19, 2010 - Minneapolis, Minnesota, United States of America - Minnesota Vikings quarterback Brett Favre #4 throws a pass in the 1st quarter of the game against the Miami Dolphins. The Dolphins defeated the Vikings 14-10 at Mall of America Field
Brett Favre says he was concussed in 2009 NFC title game - ESPN
Minnesota Vikings' Brett Favre throws before the first half of an NFL football game against the Green Bay Packers Monday, Oct. 5, 2009, in Minneapolis. (AP Photo/Morry Gash Stock Photo - Alamy
Sept 9, 2010: Minnesota Vikings quarterback Brett Favre (4) hands the ball off during the NFL Season opener between the New Orleans Saints and the Minnesota Vikings at the Louisiana Superdome in
Brett Favre 2009 Vikings highlights
Sept 9, 2010: Minnesota Vikings quarterback Brett Favre (4) hands the ball off during the NFL Season opener between the New Orleans Saints and the Minnesota Vikings at the Louisiana Superdome in
Minnesota Vikings quarterback Brett Favre (4) during their NFL football game in New Orleans, Thursday, Sept. 9, 2010. (AP Photo/Gerald Herbert Stock Photo - Alamy
Brett Favre of the Minnesota Vikings warms up before the season
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3,392 Brett Favre Vikings Stock Photos, High-Res Pictures, and Images - Getty Images
Favre tells Vikings he will not return
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Minnesota Vikings' Brett Favre (4) greets a young boy moments before the coin toss against the Green Bay Packers in an NFL game, Sunday, Nov. 1, 2009, in Green Bay, Wis. The
GALLERY Brett Favre through the years
Green Bay Packers safety Nick Collins (36) tackles Minnesota Vikings quarterback Brett Favre (4) after Favre passed the ball during the first half of an NFL football game Sunday, Nov. 21, 2010