They'll be welcomed back by fans: Regular NFL refs will be on the job again starting tonight. (2006 file photo.) Shaun Best/Reuters /Landov hide caption

itoggle caption Shaun Best/Reuters /Landov

A spoof site launched by Erik Johnson pretends to offer Google's search engine — if it were run by replacements. Replacement Google hide caption

itoggle caption Replacement Google

Things haven't been going well for these guys: Some of the NFL's replacement referees, during a Sept. 23 game between the New England Patriots and Baltimore Ravens. Kevin Dietsch /UPI /Landov hide caption

itoggle caption Kevin Dietsch /UPI /Landov

Confusion: One official (to the left) signals touchdown for Seattle. The other signals that a touchback — possession — for Green Bay. Stephen Brashear/AP hide caption

itoggle caption Stephen Brashear/AP

Denver Broncos Coach John Fox yells at field judge Jimmy Buchanan during the Broncos' game against Atlanta Monday. Referring to the game, the NFL insisted that players and coaches give replacement referees, and the game, more respect. Kevin C. Cox/Getty Images hide caption

itoggle caption Kevin C. Cox/Getty Images

Denver Broncos Coach John Fox yells at field judge Jimmy Buchanan during the Broncos' game against Atlanta Monday. Referring to the game, the NFL insisted that players and coaches give replacement referees, and the game, more respect. Kevin C. Cox/Getty Images hide caption

itoggle caption Kevin C. Cox/Getty Images

Art Modell, then the owner of the Baltimore Ravens, with the Vince Lombardi Trophy after his team beat the New York Giants in the January 2001 Super Bowl. Jeff Haynes /AFP/Getty Images hide caption

itoggle caption Jeff Haynes /AFP/Getty Images

Oct. 31, 2010: Defensive coordinator Gregg Williams (then of the New Orleans Saints) talks to linebacker Jonathan Vilma. Williams has been suspended from the league indefinitely. Vilma will miss the 2012 season. Matthew Sharpe/Getty Images hide caption

itoggle caption Matthew Sharpe/Getty Images