Based on the number of DBs that Langford faced last season , he was expected to averaged 4.4 yards per carry .
Langford 's difference of - 0.7 Langford him among the worst in the NFL .
Based on the number of DBs that Langford faced last season , he was expected to averaged 4.4 yards per carry , so his difference of - 0.7 placed him among the worst in the NFL .