Manny Gamburyan revealed via Twitter that he is out of his UFC 135 bout against Diego Nunes.

“I’m off from the UFC 135 card I hurt my shoulder and MRI is not looking good. I just wanna say sorry to all my friends and fans… I’ll be back!”

UFC 135 takes place Sept. 24 at Denver’s Pepsi Center. Gamburyan vs. Nunes was slated for the preliminary card.