One of the two constants in this backfield are McCoy 's injuries , and Karlos Williams ' hyper - efficiency in a complimentary role .
LeSean McCoy looked tremendous , and was the clear starter , but left the game with an injury .
One of the two constants in this backfield are LeSean McCoy 's injuries , and Karlos Williams ' hyper - efficiency in a complimentary role .
LeSean McCoy looked tremendous , and was the clear starter , but left the game with an injury .