The NFL's Sudden Roughing-the-Passer Obsession Isn't About Safety
Increased scrutiny on roughing-the-passer penalty after dubious call
Why don't NFL referees wear pads? - Quora
Increased scrutiny on roughing-the-passer penalty after dubious call
NFL will consider reviewing roughing-the-passer penalties
NFL team proposes making roughing the passer calls reviewable by
Even some QBs say NFL protects them too much - The San Diego Union
Refs bail out Cowboys with questionable roughing the passer call
Roughing-the-passer call prompts officiating scrutiny