Buck 'Knuckles' Pineau had no option but to tap out after snapping his arm in unfortunate circumstances.
The Portland, Maine fighter instinctively stuck out a straight arm to soften his landing, during a CES 31 fight against Pat McCrohan, and instantly regretted it.
His arm snapped under his weight and he called a halt to proceedings.
![VIDEO: “Knuckles” Pineau has no option but to tap out after gruesome arm break [Graphic]](/_next/image?url=https%3A%2F%2Fcms.sportsjoe.ie%2Fuploads%2F2015%2F10%2FArm-break.jpg%3Fheight%3D315%26width%3D630&w=1536&q=75)
