PHOTOS: NFL referees sign deal, will return immediately

JACKSONVILLE, FL - SEPTEMBER 16: Replacement referee David White tosses the coin as the Houston Texans play against the Jacksonville Jaguars September 16, 2012 at EverBank Field in Jacksonville, Florida. Houston won 27 - 7. (Photo by Al Messerschmidt/Getty Images)

MIAMI GARDENS, FL - SEPTEMBER 16: NFL replacement referees discuss a play during a game between the Miami Dolphins and the Oakland Raiders at Sun Life Stadium on September 16, 2012 in Miami Gardens, Florida. (Photo by Mike Ehrmann/Getty Images)

CHARLOTTE, NC - SEPTEMBER 16: Referees walk into the tunnel alongside the New Orleans Saints before their game against the Carolina Panthers at Bank of America Stadium on September 16, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

SAN DIEGO, CA - SEPTEMBER 16: Quarterback Philip Rivers #17 of the San Diego Chargers talks to the referee during the game against the Tennessee Titans on September 16, 2012 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

SAN FRANCISCO, CA - SEPTEMBER 16: Head coach Jim Harbaugh of the San Francisco 49ers argues with referees during their game against the Detroit Lions at Candlestick Park on September 16, 2012 in San Francisco, California. (Photo by Ezra Shaw/Getty Images)

PITTSBURGH, PA - SEPTEMBER 16: Referee Jerry Frump makes a intentional grounding call as Ben Roethlisberger #7 of the Pittsburgh Steelers argues the call against the New York Jets during the game on September 16, 2012 at Heinz Field in Pittsburgh, Pennsylvania. The Steelers defeated the Jets 27-10. (Photo by Justin K. Aller/Getty Images)

ST LOUIS, MO - SEPTEMBER 16: Replacement referees huddle during a timeout in the game between the Washington Redskins and the St. Louis Rams at Edward Jones Dome on September 16, 2012 in St Louis, Missouri. (Photo by Jamie Squire/Getty Images)

BALTIMORE, MD - SEPTEMBER 10: A replacement referee walks the field before the Baltimore Ravens play the Cincinnati Bengals in an NFL game at M&T Bank Stadium on September 10, 2012 in Baltimore, Maryland. The Ravens won 44-13. (Photo by Patrick Smith/Getty Images)

DETROIT, MI - AUGUST 30: Umpire Randy Tabler #114 tries to break up a first quarter altercation between Kyle Moore #54 of the Buffalo Bills and Dan Gerberry #64 of the Detroit Lions during a pre season game at Ford Field on August 30, 2012 in Detroit, Michigan. (Photo by Gregory Shamus/Getty Images)

BALTIMORE, MD - AUGUST 23: Running back Ray Rice #27 of the Baltimore Ravens argues a call with the referees against the Jacksonville Jaguars in the first quarter at M&T Bank Stadium on August 23, 2012 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)

CHARLOTTE, NC - AUGUST 17: Matt Moore #8 of the Miami Dolphins watches as referee David Scott calls a holding penalty during their preseason game against the Carolina Panthers at Bank of America Stadium on August 17, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

EAST RUTHERFORD, NJ - SEPTEMBER 05: Umpire Bob Shoulders looks on during the 2012 NFL season opener between the New York Giants and the Dallas Cowboys at MetLife Stadium on September 5, 2012 in East Rutherford, New Jersey. (Photo by Jeff Zelevansky/Getty Images)

DENVER, CO - SEPTEMBER 09: Head coach Mike Tomlin of the Pittsburgh Steelers protests a call with umpire Gerald Wright on a pass reception by wide receiver Eric Decker #87 of the Denver Broncos in the fourth quarter at Sports Authority Field at Mile High on September 9, 2012 in Denver, Colorado. The Broncos defeated the Steelers 31-19. (Photo by Doug Pensinger/Getty Images)

DENVER, CO - SEPTEMBER 09: Quarterback Peyton Manning #18 of the Denver Broncos protests a call with umpire Gerald Wright on a pass reception by wide receiver Eric Decker #87 of the Denver Broncos against the Pittsburgh Steelers in the fourth quarter at Sports Authority Field at Mile High on September 9, 2012 in Denver, Colorado. The Broncos defeated the Steelers 31-19. (Photo by Doug Pensinger/Getty Images)

EAST RUTHERFORD, NJ - SEPTEMBER 05: Back judge Larry Babcock talks with referee Jim Core during the 2012 NFL season opener between the New York Giants and the Dallas Cowboys at MetLife Stadium on September 5, 2012 in East Rutherford, New Jersey. (Photo by Al Bello/Getty Images)

JACKSONVILLE, FL - SEPTEMBER 16: A referee looks down during the game between the Jacksonville Jaguars and the Houston Texans at EverBank Field on September 16, 2012 in Jacksonville, Florida. (Photo by Sam Greenwood/Getty Images)

CHARLOTTE, NC - SEPTEMBER 20: A NFL referee watches on during their game at Bank of America Stadium on September 20, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

ARLINGTON, TX - SEPTEMBER 23: Umpire Oscar Shorten during a game between the Tampa Bay Buccaneers and the Dallas Cowboys at Cowboys Stadium on September 23, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

ARLINGTON, TX - SEPTEMBER 23: Referee Robert Dalton during a game between the Tampa Bay Buccaneers and the Dallas Cowboys at Cowboys Stadium on September 23, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

CHARLOTTE, NC - SEPTEMBER 20: A NFL referee watches on during their game at Bank of America Stadium on September 20, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

SEATTLE, WA - SEPTEMBER 24: A referee makes a call during the game between the Seattle Seahawks and the Green Bay Packers at CenturyLink Field on September 24, 2012 in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images)

SEATTLE, WA - SEPTEMBER 24: Head coach Pete Carroll of the Seattle Seahawks talks to the referee during the game against the Green Bay Packers at CenturyLink Field on September 24, 2012 in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images)

SEATTLE, WA - SEPTEMBER 24: The referees confer after a pass interference call against the Green Bay Packers during the game against the Seattle Seahawks at CenturyLink Field on September 24, 2012 in Seattle, Washington. Cornerback Tramon Williams #38 of the Green Bay Packers is at left. (Photo by Otto Greule Jr/Getty Images)

CHICAGO, IL - SEPTEMBER 23: Jay Cutler #6 of the Chicago Bears complains to referee Jerry Hughes #54 during a game against the St. Louis Rams at Soldier Field on September 23, 2012 in Chicago, Illinois. The Bears defeated the Rams 23-6. (Photo by Jonathan Daniel/Getty Images)

CHICAGO, IL - SEPTEMBER 23: Jay Cutler #6 of the Chicago Bears complains to referee Jerry Hughes #54 during a game against the St. Louis Rams at Soldier Field on September 23, 2012 in Chicago, Illinois. The Bears defeated the Rams 23-6. (Photo by Jonathan Daniel/Getty Images)

CLEVELAND, OH - SEPTEMBER 23: Head coach Pat Shurmur of the Cleveland Browns argues a call with referee David Scott during the first half against the Buffalo Bills at Cleveland Browns Stadium on September 23, 2012 in Cleveland, Ohio. (Photo by Jason Miller/Getty Images)

FOXBORO, PA - SEPTEMBER 16: Tom Brady #12 of the New England Patriots talks with referee David Scott during the game against the Arizona Cardinals on September 16, 2012 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Jared Wickerham/Getty Images)

NEW ORLEANS, LA - SEPTEMBER 23: Head coach Romeo Crennel of the Kansas City Chiefs is handed his red challenge flag by a referee during the game against the New Orleans Saints at the Mercedes-Benz Superdome on September 23, 2012 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

BALTIMORE, MD - SEPTEMBER 23: Head coach John Harbaugh of the Baltimore Ravens argues a call with a replacement referee in the fourth quarter against the New England Patriots at M&T Bank Stadium on September 23, 2012 in Baltimore, Maryland. The Baltimore Ravens won, 31-30. (Photo by Patrick Smith/Getty Images)

DENVER, CO - SEPTEMBER 23: Referee Jerry Frump oversees the action between the Houston Texans and the Denver Broncos at Sports Authority Field at Mile High on September 23, 2012 in Denver, Colorado. The Texans defeated the Broncos 31-25. (Photo by Doug Pensinger/Getty Images)

GLENDALE, AZ - SEPTEMBER 23: Head coach Ken Whisenhunt of the Arizona Cardinals talks with referee Mike Shepherd during the NFL game against the Philadelphia Eagles at the University of Phoenix Stadium on September 23, 2012 in Glendale, Arizona. (Photo by Christian Petersen/Getty Images)