Ask Sam Farmer: Why does the NFL use just one set of first-down chains when they have two on the field? - Los Angeles Times
![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](https://www.si.com/.image/t_share/MTc3MTczNzQwODY4NjA5Nzg1/dcovchaingang_v.jpg)
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 NFL chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated](https://www.si.com/.image/t_share/MTc3MTczODU5Nzg1NTE2MTkz/chain-crew-clip.jpg)
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 NFL chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated](https://www.si.com/.image/t_share/MTc3MTczNzY2MzY5OTc3NTA1/nfl-down-marker.jpg)
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 NFL chain gangs: Everything you need to know about the crews who man the down markers - Sports Illustrated](https://www.si.com/.image/t_share/MTc3MTczNzgwODY1NDkyMTI5/washington-chain-crew.jpg)