How did the Ravens not get a delay of game penalty? : r/detroitlions
NFL Week 15 takeaways - What we learned, big questions for every game and future team outlooks - ESPN
Dan Campbell: NFL said delay of game penalties are 'subjective'
Esiason: Officials missed a delay-of-game penalty in the Ravens' win
Referees miss obvious delay of game penalty at end of Lions vs Ravens game - Pride Of Detroit
NFL admits officials missed intentional grounding call in Lions, Eagles game - Pride Of Detroit
Ravens vs Lions, Missed Delay of Game Penalty Leads to Winning Field Goal
6 takeaways from the Detroit Lions' win over the Green Bay Packers - Pride Of Detroit
Baltimore Ravens vs. Detroit Lions: Pool report explains delay of game mechanics
Baltimore Ravens vs. Detroit Lions: Pool report explains delay of game mechanics
Niners clinch NFC West title, home-field advantage
NFL must address officiating error that cost the Lions a victory
Baltimore Ravens vs. Detroit Lions: Pool report explains delay of game mechanics
Baltimore Ravens vs. Detroit Lions: Pool report explains delay of game mechanics