Working on the chain gang. Really!
Why Does the NFL Still Use Chains to Measure First Downs?
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: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 chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated
The Story Behind Central Football's Turnover Chain – The Central Digest
NFL chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated
NFL chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated
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Why the NFL Still Uses Chains to Measure First Downs
