NFL approves new rule change for emergency third quarterbacks
NFL teams propose 15 rule changes, including to replay review - ESPN
Detroit Lions ask NFL to approve challenges of personal foul penalties
What Lions coach Dan Campbell had to say about NFL's new 3rd QB rule
David Montgomery runs wild as Lions beat Packers 34-20 to take early command of NFC North
Saints News, 3/19/14: Former Saints FB Jed Collins Signs With Detroit Lions - Canal Street Chronicles
Notes: NFL releases third rule change proposal for 2022 - Pride Of Detroit
NFL Fields Proposals for Number of New Rule Changes; One Would Be Major - Sports Illustrated
NFL Team Proposing Change To Coach's Challenge Rules - The Spun: What's Trending In The Sports World Today