Everything you ever wanted to know about the crew that moves the chains in the NFL - ESPN
Michael Crabtree 'wanted to hit' Aqib Talib after chain-snatching, calls him 'fake' - CBSSports.com
What is the Turnover Chain? – Sun Sentinel
The History of Using the Chains to Measure a First Down | NFL Films Presents - YouTube
Why the NFL Still Uses Chains to Measure First Downs
Ball Placement - The Art & Science - Referee.com
Michigan chain gang guy has best seat in Big House
How Much Does an NFL Chain Gang Get Paid?
NFL chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated
Why Does the NFL Still Use Chains to Measure First Downs?
:max_bytes(150000):strip_icc()/GettyImages-457406155-5663dc1e5f9b583dc376f8bf.jpg "The Chain Gang in Football - Role and Responsbilities")
The Chain Gang in Football - Role and Responsbilities
NFL star Alvin Kamara hasn't spent a dime of his football earnings
West Chain Gang - YouTube
NFL chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated
Sideline series: 'Chain gangs' essential to the game
Chain gangs have 'best seat in the house' and are an important part of football tradition
Bijan Robinson's first preseason carry is chain-moving 12-yard burst
Chain crew - Wikipedia
Ezekiel Elliott shows off jersey numbers on reversible chain - ESPN
College fans might not notice new first-down clock rule, but some coaches are wary of its effect | AP News
