New Minnesota Vikings quarterback Brett Favre, right, walks with Vikings head coach Brad Childress during NFL football training camp, Tuesday, Aug. 18, 2009 in Eden Prairie, Minn. The 39-year...

Minnesota Vikings head coach Brad Childress, left, walks off the field with Antoine Winfield after the NFC Championship NFL football game against...

Minnesota Vikings head coach Brad Childress yells to his players during the fourth quarter of the NFC Championship NFL football game against...

...Rosenfels throws during mini-camp Thursday, June 11, 2009 in Eden Prairie, Minn., where head coach Brad Childress continues to field questions about Brett Favre's status as a potential Vikings quarterback. (AP Photo...

Dec 07, 2008; Glendale, AZ, USA; Minnesota Vikings head coach Brad Childress in the third quarter of a game against the Arizona Cardinals at University of Phoenix Stadium...

...Vikings vs Seattle Seahawks - October 22, 2006 Minnesota defensive coordinator Mike Tomlin talks with head coach Brad Childress prior to the Vikings 31-13 win over the Seattle Seahawks on Sunday, October 22, 2006...

GLENDALE, AZ - DECEMBER 14: Head coach Brad Childress of the Minnesota Vikings looks up from the sideline during a NFL football game against the...

MINNEAPOLIS, MN - OCTOBER 28: C oaches Andy Reid of the Philadelphia Eagles and Brad Childress of the the Minnesota Vikings talk before the game on October 28, 2007 at the Hubert...

...Eagles v Minnesota Vikings MINNEAPOLIS, MN - OCTOBER 28: Coaches Andy Reid of the Philadelphia Eagles and Brad Childress of the the Minnesota Vikings talk before the game on October 28, 2007 at the Metrodome...

Sep 14, 2008; Minneapolis, MN, USA: Minnesota Vikings head coach Brad Childress speaks with quarterback Tarvaris Jackson (7) after a series of downs against the Indianapolis Colts in...

CAPTION: Sep 14, 2008; Minneapolis, MN, USA: Minnesota Vikings head coach Brad Childress speaks with quarterback Tarvaris Jackson (7) after a series of downs against the Indianapolis Colts in...

...Mandatory Credit: Dale Zanine-US PRESSWIRE Oct 12, 2008; Minneapolis, MN, USA: Minnesota Vikings head coach Brad Childress talks to his bench in the fourth quarter of the game against the Detroit Lions at...

...in Denver, Colorado. The Jaguars defeated the Broncos 24-17.(R)MINNEAPOLIS - NOVEMBER 2: Head coach Brad Childress of the Minnesota Vikings watches the action during an NFL game against the Houston Texans at...

NEW ORLEANS, LA - OCTOBER 6: Head Coach Brad Childress of the Minnesota Vikings watches play against the New Orleans Saints at the Louisiana Superdome on...

...Denver, Colorado. Green Bay defeated Denver 27-24. 2-MINNEAPOLIS - SEPTEMBER 14: Minnesota Vikings head coach Brad Childress looks on from the sideline during the game against the Indianapolis Colts at the Metrodome on...