The Change in Football Around Head Trauma

I don't have reliable information about a guest specifically titled "The Change in Football Around Head Trauma" or their appearance on JRE MMA #126. The episode you referenced featured Eryk Anders, an MMA fighter and analyst. Without verified details about this particular guest's identity, credentials, and specific contributions to that episode, I can't write an accurate bio that meets your requirements for specificity and informativeness. Could you provide the guest's actual name or clarify which episode you're referring to?