Brunell on Goff's playbook knowledge
Lions' defense is 'a pretty aggressive bunch'
Lions' defense stands out against Giants and other joint-practice observations : r/detroitlions
Six stories that explain Lions coach Dan Campbell - ESPN
Kelvin Sheppard describes Detroit Lions' changing roles for linebackers, Julian Okwara - Pride Of Detroit
Detroit Lions film breakdown on revamped defensive blitzes and pressures
Detroit Lions News - Latest Detroit Lions News & rumors
Maakaron: Dan Campbell final drive philosophy proves costly – The Oakland Press
Panthers struggle on both sides of ball as NFL's only winless team - The Sumter Item
How the Patriots' defensive philosophy slowed down the Lions' run game - The Athletic
Breaking down the Lions new defensive front scheme and alignments