In 2009, during an appearance on HBO’s Joe Buck Live, Howard Stern’s then-sidekick Artie Lange did a profanity-laced routine about Dallas Cowboys quarterback Tony Romo. But the joke was soon on Lange. "He can go do as many Howard Stern shows as he likes, but he will no longer appear on HBO Sports or Joe Buck Live,” HBO Sports president Ross Greenburg told the New York Post. "We don't have any interest in his world." That same week, Lange revealed he’d also been banned from Conan O’Brien’s Tonight Show. “The last time I was on, they thought I was high, and now they won't put me on until I prove I'm sober,” Lange said. "I am sober. I can't be a third guest? I mean, I'm not asking to bump George Clooney.