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The NFL replacement referee controversy is all anyone is talking about, and it certainly makes for great subject matter when it comes to late-night jokes. Here's a roundup of the funniest football referee quips from TV's hilarious hosts.

The Late Show with David Letterman - Top Ten Signs You're a Bad Referee: "No. 9- You won't throw a flag on the field because you'd just have to pick it up."

RELATED: Stars React to NFL Referee Lockout

The Tonight Show with Jay Leno- "Those replacement refs have a new slogan, 'Close enough, that's fine!'"

The Late Late Show with Craig Ferguson- "I traveled from a place where they don't have the NFL. It's a dark place. Do we want that here? Nooo. So let me ask you this NFL, are you ready for some [expletive] football?"

Jimmy Kimmel Live!- Are You Smarter than a Replacement Ref?

Late Night with Jimmy Fallon- "Fans say they're fed up with these phony refs and they want them back where they belong, in the NBA."

Conan- NFL Replacement Ref Highlight Reel

Who do you think has the best replacement ref joke?