Many of us have probably heard the name Murph or Murphy at some point if you’ve been doing CrossFit for a while (or maybe even only a few months). This post is going to give you everything you’ve ever wanted to know about the word Murph and all the who, what, and why about it. Hooyah! The Who: Lieutenant Michael P. Murphy, United States Navy SEAL, awarded the Medal of Honor after being killed in action during his efforts overseas in Afghanistan. You might know him from the N.