Farewell, chain gang? The NFL will use Sony's Hawk-Eye technology as the primary way to measure the line to gain, the league announced Tuesday at its annual spring owners meetings. The technology ...

The Hawk-Eye system will be operated from the NFL's Art McNally GameDay Central Officiating Center in New York and integrated with the league's existing replay system.

Hawk-Eye’s “Synchronized Multi-Angle Replay Technology” system will be utilized for “video capture, replay, clipping and distribution,” with six cameras in each SEC stadium to supplement ...

With the Hawk-Eye cameras, the first-down measurement process should take roughly 30 seconds, per the league's statement. That will save roughly 40 seconds compared to the manual chain-gang ...