Downloadable software for providing, accessing, synchronously and asynchronously communicating, streaming, downloading, and viewing audio, video, audiovisual content, text, data, images, digital media, multimedia, and live-streamed content in the fields of boxing and mixed martial arts (MMA) via the internet and global communications networks; downloadable software for providing, accessing, synchronously and asynchronously communicating, streaming, downloading, and viewing audio, video, audiovisual content, text, data, images, digital media, multimedia, and live-streamed content in the fields of boxing and mixed martial arts (MMA) on mobile digital electronic devices; downloadable data files featuring audio, video, audiovisual content, text, images, digital media, multimedia, and live-streamed content in the fields of boxing and mixed martial arts (MMA); sports helmets for use in relation to boxing and mixed martial arts (MMA); mouth guards for sports use