Видео ютуба по тегу First Down Line

The team behind the first down line graphic
The team behind the first down line graphic
Как работает волшебная желтая линия НФЛ
Как работает волшебная желтая линия НФЛ
The History of Using the Chains to Measure a First Down | NFL Films Presents
The History of Using the Chains to Measure a First Down | NFL Films Presents
Как работает эта желтая линия First Down?
Как работает эта желтая линия First Down?
Интересная история о желтой линии первой линии в НФЛ и как она на самом деле работает
Интересная история о желтой линии первой линии в НФЛ и как она на самом деле работает
AMAZING Technology! From Yellow Line to skycam and Pylon Cam | NFL EXPLAINED Broadcast Innovations
AMAZING Technology! From Yellow Line to skycam and Pylon Cam | NFL EXPLAINED Broadcast Innovations
what's going on with the first down line?
what's going on with the first down line?
First Down Laser Systems, LLC
First Down Laser Systems, LLC
first down line going sicko mode
first down line going sicko mode
What is a First Down? | NFL UK Explains Plays
What is a First Down? | NFL UK Explains Plays
NFL's New First Down Maker Replacement
NFL's New First Down Maker Replacement "Hawk Eye" SUCKS | Pat McAfee Reacts
O-lineman? NO. Lions WR 1
O-lineman? NO. Lions WR 1
Rich Eisen Weighs In on the NFL’s New Virtual First Down Measurement Technology Debut
Rich Eisen Weighs In on the NFL’s New Virtual First Down Measurement Technology Debut
Inside look at NFL's new virtual measurement system
Inside look at NFL's new virtual measurement system
Good Question How do they put those First Down lines on a football field
Good Question How do they put those First Down lines on a football field