Joe Rogan's comedy show at the Mandalay Bay Events Center in Las Vegas, Nevada, this Labor Day weekend has something in common with UFC 151: It's been canceled! Just a drop in the bucket when one considers all the collateral damage that will be affected with the promotion's landmark decision today, which it blames completely (and perhaps unfairly) on its Light Heavyweight champion, Jon Jones. Just like UFC 151, fans who purchased tickets to Rogan's show will be refunded, according to his Twitter account. So much for comedic relief ...