A possible concise summary is:
This is a video transcript of a countdown of the ten most insane backstage moments in MMA history, featuring incidents such as Mark Coleman's meltdown, Jason Miller's firing, Nate Diaz's brawl, GSP's stolen belt, Conor McGregor's bus attack, and more. The video is narrated by Tommy from MMA OnPoint and includes clips and interviews from various sources. The video ends with a thank you message and a shout out to the editor.
Here are the key facts extracted from the text:
1. Mixed martial arts has had insane moments both in the cage and backstage.
2. Mike Goldberg ran through the backstage area with no shirt on.
3. Mark Coleman had a meltdown after losing at Pride Total Elimination 2004.
4. Jason Miller was fired after a mysterious backstage incident at UFC 146.
5. Hannie Jason punched a wall and himself after a loss, requiring stitches.
6. Nate Diaz was involved in a backstage altercation with Jason Guida at UFC 199.
7. GSP claimed UFC PR staff told him he was not allowed to go to the press conference after UFC 167.
8. Kevin Randleman knocked himself out backstage before a title fight at UFC 24.
9. Charles Bennett (Crazy Horse) had a backstage fight at Pride Shockwave 2005.
10. Conor McGregor attacked a bus after Khabib Nurmagomedov called him a chicken.
Please let me know if you need more details on any of these points.