History and Evolution: Power O - Part II - Off Tackle Power Earns the Name "Power"
Previously Part I - The Power Series Origins Off-Tackle Power O becomes “Power” While the I-Formation had a scattering of purveyors dating as far back as the turn of the century, it wasn’t really until the early 1960s when a man known as Don Coryell would begin to popularize it within the Air Coryell offense. While at the upper levels of football it remained mostly unknown, by the late 1960s and into the 70s, coaches such as John Madden and Hank Stram started incorporating it within their offenses. By this time, most teams had now gone to 21 personnel, though split backs and near/far formations still held dominance. But, for instance, in the 1968 Chiefs Playbook, we immediately see what we know of today as traditional Power O (though, it should be noted, Power Sweep remained a vital part of the offense). 1968 Chiefs Playbook