(You really want to do this again, Miesha? Really?? / Photo via Getty Images) Over the last three years, TUF Coach has become the most dangerous occupation on earth, with Tito Ortiz, Brock Lesnar, Dominick Cruz, Vitor Belfort, and Shane CarwinÃ‚Â having to go home due to health reasons before they could face off against their reality TV rivals. But at least those guys were able to make it through a few episodes’ worth of shooting before bowing out. Because this right here? This is unprecedented. Kevin Iole broke the news earlier this evening that UFC women’s bantamweight #1 contender and prospective TUF 18 coach Cat Zingano suffered a knee injury in training earlier this month, and didn’t even make it to day one of shooting. The season’s other coach, Ronda Rousey, learned the bad news today when she walked on set…AND SAW MIESHA TATE JUST CHILLING, LEANING AGAINST A POST. (Ed. note: The detail about the post has been added by CP for dramatic affect.) Anyway, here’s the story, via Yahoo! Sports: Filming began Tuesday for Season 18 of the UFC’s reality series, The Ultimate Fighter, with a gigantic and unexpected switch. Unbeaten Cat Zingano, who was slated to coach opposite women’s bantamweight champion Ronda Rousey, injured a knee and was replaced as coach by long-time Rousey rival Miesha Tate. Rousey did not know that Zingano was injured ”“ UFC president Dana White said it had been a tightly kept company secret since Zingano injured her right knee during a May 16 workout ”“ or that Tate had been brought in to replace her, until the opening scenes of the show were filmed on Tuesday. When Tate came out, Rousey was clearly stunned and she stormed out of the UFC training center, searching for White. She later said she was angry because she thought Tate was replacing her. Rousey, though, was pleased with the change.