Welcome to the home of the Pratley System Offense (formerly known as the Pistol Spread Option.) The PSO is the most versatile, adaptive and exciting offense system in the world today. Don't try and fit a round peg in a square hole! Utilize a system that adapts and utilizes the talent that you have! The core offense doesn't change, you just adjust the plays you call and formations to run to fit the needs and abilities of your players. This allows you to MAXIMIZE TALENT, and MINIMIZE LEARNING!