Minnesota Vikings' Brett Favre (4) celebrates after throwing a 47-yard touchdown pass to Sidney Rice during the first half...

...January 3, 2010 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images) MINNEAPOLIS, MN - DECEMBER 13: Brett Favre #4 of the Minnesota Vikings looks to throw a pass against the Cincinnati Bengals on December...

...Texas. Dallas won 21-7. (Photo by G. Newman Lowrance/Getty Images) MINNEAPOLIS, MN - DECEMBER 13: Brett Favre #4 of the Minnesota Vikings hands off the ball against the Cincinnati Bengals on December 13...

NFC DIVISIONAL ROUND

Jan 17, 2010; Minneapolis, MN, USA; Minnesota Vikings quarterback Brett Favre (4) drops back to pass during the second half of the 2010 NFC divisional playoff game...

Minnesota Vikings' quarterback Brett Favre, right, listens to Dallas Cowboys' quarterback Tony Romo before an NFL preseason football game, Friday, Sept...

Jan 3, 2010; Minneapolis, MN, USA; Minnesota Vikings quarterback Brett Favre (4) looks to pass against the New York Giants in the third quarter at the Metrodome...

Minnesota Vikings quarterback Brett Favre, left, and Dallas Cowboys quarterback Tony Romo, right, talk before their teams' preseason NFL football game...

MINNEAPOLIS, MN - JANUARY 3: Quarterback Brett Favre #4 of the Minnesota Vikings calls out signals at the line of scrimmage against the New...

Drew Brees, Tony Romo and Brett Favre

...19, 2009 in New Orleans, Louisiana. Dallas won 24-17. January 3, 2010 Minnesota Vikings quarterback Brett Favre #4 back to pass in the 2nd quarter of the Minnesota Vikings 44-7 win over...

...FOR USE AS DESIRED, YEAR END PHOTOS ** FILE - Minnesota Vikings quarterback Brett Favre (4) and Green Bay Packers quarterback Aaron Rodgers meet after the Vikings beat the Packers 30...

...Credit: Mark J. Rebilas-US PRESSWIRE 2- Jan 3, 2010; Minneapolis, MN, USA; Minnesota Vikings quarterback Brett Favre (4) looks to pass against the New York Giants in the third quarter at the Metrodome...

MINNEAPOLIS, MN - DECEMBER 13: Brett Favre #4 of the Minnesota Vikings looks to throw a pass against the Cincinnati Bengals on December...

MINNEAPOLIS, MN - JANUARY 3: Quarterback Brett Favre #4 of the Minnesota Vikings passes against the New York Giants at Mall of America Field...

MINNEAPOLIS - JANUARY 03: Brett Favre #4 of the Minnesota Vikings passes the ball under pressure from Mathias Kiwanuka #94 of the...