Things got a little heated between Nate Diaz and Clay Guida's team backstage at UFC 199.

Justin Buchholz, coach of Team Alpha Male, said on the Stud Show Radio podcast that it all started after Guida's TKO loss to Brian Ortega. Guida was walking toward the locker rooms, Diaz popped out of a bathroom and the two crossed paths.

"Clay said something to him, but Clay was discombobulated at that time," Buchholz said. "He just said something to Nate. He was all like, 'Man, I'm gonna f*ck you up again' or something like that."

Guida defeated Diaz in 2009. But Diaz just smiled and laughed it up, mostly surprised, according to Buchholz. However, the coach said Jason Guida, Clay's brother, provoked the situation by grabbing Diaz and pushing him up against a wall. Buchholz said Jason Guida was already emotional and smashed a stool backstage after his brother's loss.

"Then f*cking Jason and Nate got into it," Buchholz said. "I don't know what happened, but Jason bull rushes Nate and tries to put him up against the wall. Nate has got him in a clinch. Like 50 people from the UFC come rushing into this thing. I'm standing in the middle like, 'No!'"

Buchholz apologized to Diaz after and handed him his shirt that he apparently lost in the scuffle. Diaz went back to his seat cageside at The Forum like nothing happened. Soon after, he was shown on the screen when news of his rematch with Conor McGregor at UFC 202 was announced.

Cody Garbrandt added on Stud Radio that he ran into Diaz after the fights were over and Diaz just said he was surprised by the whole situation. Buchholz said there is absolutely no beef between Team Alpha Male and Team Diaz.

"Team Alpha Male versus everybody, except the Diaz brothers," Garbrandt said.