Lions have a long tradition of getting hosed by NFL referees
The Reversal: Why Dez's catch wasn't a catch in Cowboys-Packers – Delco Times
POSSE Magazine - Fall 2012 by Oklahoma State - Issuu
Calvin Johnson - Wikipedia
Highlight] Calvin Johnson no catch controversy; choppy audio (2010) : r/nfl
Ex-Lions star Calvin Johnson reveals that he used to break one particular NFL rule after every game
N.F.L. Owners Unanimously Revamp Catch Rule. Fumbles to Follow. - The New York Times
Calvin Johnson - Wikipedia
Calvin Johnson officially announces his retirement