If I had to guess: Pettis, at 2 inches shorter than Chark, showed better lateral movement on film, and thus better separation ability. And separation ability is paramount for Shanahan, more vital than pure speed. It’s why he doesn’t put a premium on height just for kicks. https://t.co/aCaB16jNZR

— David Lombardi (@LombardiHimself) April 28, 2018