NFL should consider NCAA replay model – Football Zebras
The day the NFL had 8 officials on the field – Football Zebras
NFL100: A century of determining who gets the ball first
Jordy Nelson scored on a catch that was not a catch – Football Zebras
Indecisiveness erases big Steelers gain – Football Zebras
Browns missed momentum shift on an 'incomplete backward pass
History of Instant Replay
No momentum for big instant replay rule changes – Football Zebras
NFL100: 30 years ago instant replay helped decide the outcome of a
Trevathan suspended 1 game for helmet-to-helmet hit – Football Zebras